G. Philip Robertson Publications

2025

Córdova, S. C., A. N. Kravchenko, J. R. Miesel, and G. P. Robertson. 2025. Soil carbon change in intensive agriculture after 25 years of conservation management. Geoderma 456:117133. [PDF]

Falvo, G., Y. Zhang, M. Abraha, S. Mosier, Y.-J. Su, C. Lei, J. Chen, F. M. Cotrufo, and G. P. Robertson. 2025. Combining eddy covariance towers, field measurements, and the MEMS 2 ecosystem model improves confidence in the climate impacts of bioenergy with carbon capture and storage. GCB Bioenergy 17:e70023. [PDF]

Guo, T., S. T. Marquart-Pyatt, T. Ulbrich, J. Doll, B. Wilke, and G. P. Robertson. 2025. Assessing the impacts of stakeholder involvement in long-term agricultural experiments via a case study in the upper U.S. Midwest. Journal of Environmental Quality. https://doi.org/10.1002/jeq1002.20676. [PDF]

Hussain, M. Z., S. K. Hamilton, B. Basso, and G. P. Robertson. 2025. Phosphorus budgets of intensively managed row crops at a long-term agroecosystem research site in the upper US Midwest. Journal of Environmental Quality https://doi.org/10.1002/jeq2.70000. [PDF]

Lucas, M., J. Gil, G. P. Robertson, N. E. Ostrom, and A. Kravchenko. 2025. Changes in soil pore structure generated by the root systems of maize, sorghum and switchgrass affect in situ N2O emissions and bacterial denitrification. Biology and Fertility of Soils 61:367-383. [PDF]

O’Neill, E. G., T. J. Lark, Y. Xie, S. Kim, B. Dale, G. P. Robertson, B. Basso, and C. T. Maravelias. 2025. Available land for cellulosic biofuel production: a supply chain centered comparison. Environmental Research Letters 20:014067. [PDF]

Robertson, G. P. 2025. Soil greenhouse gas emissions and their mitigation. Encyclopedia of Agriculture and Food Systems, 3rd Edition. Elsevier. https://doi.org/10.1016/B1978-1010-1443-15976-15973.00025-15978 [PDF]

2024

Chen, J., C. Lei, H. Chu, X. Li, M. Torn, Y.-P. Wang, P. Sciusco, and G. P. Robertson. 2024. Overlooked cooling effects of albedo in terrestrial ecosystems. Environmental Research Letters 19:093001. [PDF]

Chipkar, S., K. Kahmark, S. Bohm, M. Z. Hussain, L. Joshi, K. M. Krieg, J. Aguado, J. Cassidy, P. Lozano, K. Garland, A. Senyk, D. J. Debrauske, E. Whelan, M. Davies, P. Urban, G. P. Robertson, T. K. Sato, S. K. Hamilton, K. D. Thelen, and R. G. Ong. 2024. High temperatures and low soil moisture synergistically reduce switchgrass yields from marginal field sites and inhibit fermentation. GCB Bioenergy 16:e13119. [PDF]

Dhaliwal, J. K., D. Panday, G. P. Robertson, and D. Saha. 2024. Machine learning reveals dynamic controls of soil nitrous oxide (N2O) emissions from diverse long-term cropping systems. Journal of Environmental Quality. https://doi.org/10.1002/jeq2.20637 [PDF]

Guillevic, P. C., B. Aouizerats, R. Burger, N. Den Besten, D. Jackson, M. Ridderikhoff, A. Zajdband, R. Houborg, T. E. Franz, G. P. Robertson, and R. De Jeu. 2024. Planet’s Biomass Proxy for monitoring aboveground agricultural biomass and estimating crop yield. Field Crops Research 316:109511. [PDF]

Guo, T., S. Marquart-Pyatt, and G. P. Robertson. 2024. Building ties at multi-stakeholder engagement events to facilitate social learning about contentious issues in natural resource management. Agriculture and Human Values https://doi.org/10.1007/s10460-024-10648-2. [PDF]

Lee, J.-H., T. C. Ulbrich, M. Geers-Lucas, G. P. Robertson, A. K. Guber, and A. N. Kravchenko. 2024. Very fine roots differ among switchgrass (Panicum virgatum L.) cultivars and differentially affect soil pores and carbon processes. Soil Biology & Biochemistry 199:109610. [PDF]

Lei, C., J. Chen, I. Ibanez, P. Sciusco, G. Shirkey, M. Lei, B. Reich Peter, and G. P. Robertson. 2024. Albedo of crops as a nature-based climate solution to global warming. Environmental Research Letters 19:084032. [PDF]

Li, Z., A. N. Kravchenko, A. Cupples, A. K. Guber, Y. Kuzyakov, G. P. Robertson, and E. Blagodatskaya. 2024. Composition and metabolism of microbial communities in soil pores. Nature Communications 15:3578. [PDF]

Liebig, M. A., L. J. Abendroth, G. P. Robertson, D. Augustine, E. H. Boughton, G. Bagley, D. L. Busch, P. Clark, A. W. Coffin, B. J. Dalzell, C. J. Dell, A. Fortuna, A. Freidenreich, P. Heilman, C. Helseth, D. R. Huggins, J. M. F. Johnson, M. Khorchani, K. King, J. L. Kovar, M. A. Locke, S. B. Mirsky, M. C. Schantz, M. R. Schmer, M. L. Silveira, D. R. Smith, K. J. Soder, S. Spiegal, J. Stinner, D. Toledo, M. Williams, and J. Yost. 2024. The LTAR Common Experiment: Facilitating improved agricultural sustainability through coordinated cross-site research. Journal of Environmental Quality 53:787-801. [PDF]

Mosier, S., L. Kelly, E. Ozlu, and G. P. Robertson. 2024. Switchgrass (Panicum virgatum L.) cultivars have similar impacts on soil carbon and nitrogen stocks and microbial function. GCB Bioenergy 16:e13125. [PDF]

Robertson, G. P. and P. M. Groffman. 2024. Nitrogen transformations. Pages 407-438 in E. A. Paul and S. D. Frey, editors. Soil Microbiology, Ecology, and Biochemistry, 5th edition. Elsevier, Cambridge MA. [PDF]

Robertson, G. P., B. Wilke, T. C. Ulbrich, N. Haddad, S. K. Hamilton, D. G. Baas, B. Basso, J. Blesh, T. J. Boring, L. Campbell, K. Cassida, C. Charles, J. Chen, J. Doll, T. Guo, A. N. Kravchenko, D. A. Landis, S. T. Marquart-Pyatt, M. Singh, C d. Sprunger, and J. Stegink. 2024. The LTAR Cropland Common Experiment at the Kellogg Biological Station. Journal of Environmental Quality 53:893-903. [PDF]

Schreiner-Mcgraw, A. P., J. M. Baker, J. D. Wood, M. Abraha, J. Chen, T. J. Griffis, and G. P. Robertson. 2024. Surface resistance controls differences in evapotranspiration between croplands and prairies in U.S. Corn Belt sites. Water Resources Research 60:e2023WR035819. [PDF]

Vizza, C., M. A. Belanger, J. Jones, S. J. Murphy, D. H. Buckley, G. P. Robertson, and S. S. Roley. 2024. Rainfall events stimulate episodic associative nitrogen fixation in switchgrass. Biogeochemistry 167:1409-1424. [PDF]

Xie, Y., S. A. Spawn-Lee, V. C. Radeloff, H. Yin, G. P. Robertson, and T. J. Lark. 2024. Cropland abandonment between 1986 and 2018 across the United States: spatiotemporal patterns and current land uses. Environmental Research Letters 19:044009. [PDF]

2023

Grandy, A. S. and G. P. Robertson. 2023. Managing soils as systems in temperate-region landscapes. Pages 45-54 in N. Uphoff and J. Thies, editors. Biological Approaches to Regenerative Soil Systems. CRC Press, Boca Raton FL. [PDF]

Guo, T., S. T. Marquart-Pyatt, and G. P. Robertson. 2023. Using three consecutive years of farmer survey data to identify prevailing conservation practices in four Midwestern US states. Renewable Agriculture and Food Systems 38:E44. [PDF]

Hussain, M. Z., S. K. Hamilton, and G. P. Robertson. 2023. Soil phosphorus drawdown by perennial bioenergy cropping systems in the Midwestern US. GCB Bioenergy 15:254-263. [PDF]

Jayawardena, D. M., G. P. Robertson, G. R. Sanford, and K. D. Thelen. 2023. Comparative productivity of six bioenergy cropping systems on marginal lands in the Great Lakes Region, United States. Agronomy Journal 115:2451-2468. [PDF]

Kim, S., B. E. Dale, R. A. Martinez-Feria, B. Basso, K. Thelen, C. T. Maravelias, D. A. Landis, T. J. Lark, and G. P. Robertson. 2023. Global warming intensity of biofuel derived from switchgrass grown on marginal land in Michigan. GCB Bioenergy 15:319-331. [PDF]

Lei, C., J. Chen, and G. P. Robertson. 2023. Climate cooling benefits of cellulosic bioenergy crops from elevated albedo. GCB Bioenergy 15:1373-1386. [PDF]

Liang, K., X. Zhang, X.-Z. Liang, V. L. Jin, G. Birru, R. Schmer Marty, G. P. Robertson, G. W. McCarty, and G. E. Moglen. 2023. Simulating agroecosystem soil inorganic nitrogen dynamics under long-term management with an improved SWAT-C model. Science of the Total Environment 879:162906. [PDF]

Perry, S., G. Falvo, S. Mosier, and G. P. Robertson. 2023. Long-term changes in soil carbon and nitrogen fractions in switchgrass, native grasses, and no-till corn bioenergy production systems. Soil Science Society of America Journal  87:1365-1375. [PDF]

Pett-Ridge, J., H. Z. Ammar, A. Aui, M. Ashton, S. E. Baker, B. Basso, M. A. Bradford, A. P. Bump, I. Busch, E. R. Calzado, J. W. Chirigotis, N. Clauser, S. Crotty, N. Dahl, T. Dai, M. Ducey, J. Dumortier, N. C. Ellebracht, R. G. Egui, A. Fowler, K. Georgiou, D. Giannopoulos, H. Goldstein, T. Harris, D. Hayes, C. Hellwinckel, A. Ho, M. Hong, S. Hovorka, E. Hunter-Sellars, W. Kirkendall, S. Kuebbing, M. Langholtz, M. Layer, I. Lee, R. Lewis, W. Li, W. Liu, J. T. Lozano, A. Lunstrum, A. C. Mayer, K. K. Mayfield, W. Mcneil, P. Nico, A. O’rourke, S. H. Pang, K. Paustian, G. Peridas, H. Pilorge, M. Pisciotta, L. Price, P. Psarras, G. P. Robertson, W. J. Sagues, D. L. Sanchez, C. D. Scown, B. M. Schmidt, E. W. Slessarev, N. Sokol, A. J. Stanley, A. Swan, C. Toureene, A. A. Wong, M. M. Wright, Y. Yao, B. Zhang, Y. Zhang, and R. D. Aines. 2023. Roads to Removal: Options for Carbon Dioxide Removal in the United States. Lawrence Livermore National Laboratory. https://roads2removal.org/  [PDF]

Robertson, G. P. 2023. Denitrification and the challenge of scaling microsite knowledge to the globe. mLife 2:229-238. [PDF]

Tejera-Nieves, M., M. Abraha, J. Chen, S. K. Hamilton, G. P. Robertson, and B. J. Walker. 2023. Seasonal decline in leaf photosynthesis in perennial switchgrass explained by sink limitations and water deficit. Frontiers in Plant Science 13:1023571. [PDF]

2022

Menefee, D., R. L. Scott, M. Abraha, J. G. Alfieri, J. Baker, D. M. Browning, J. Chen, J. Gonetg, J. M. F. Johnson, G. R. Miller, R. Nifong, G. P. Robertson, E. S. Ressel, N. Saliendra, A. P. Schreiner-Mcgraw, A. E. Suyker, P. Wagle, C. Wente, P. M. White, and D. Smith. 2022. Unraveling the effects of management and climate on carbon fluxes of U.S. croplands using the USDA Long-Term Agroecosystem (LTAR) network. Agricultural and Forest Meterology 326:109154. [PDF]

Pan, D., I. Gelfand, L. Tao, M. Abraha, K. Sun, X. Guo, J. Chen, G. P. Robertson, and M. A. Zondlo. 2022. A new open-path eddy covariance method for N2O and other trace gases that minimizes temperature corrections. Global Change Biology 28:1446-1457. [PDF]

Robertson, G. P., S. K. Hamilton, K. Paustian, and P. Smith. 2022. Land-based climate solutions for the United States. Global Change Biology 28:4912-4919. [PDF]

Sciusco, P., J. Chen, V. Giannico, M. Abraha, C. Lei, G. Shirkey, J. Yuan, and G. P. Robertson. 2022. Albedo-induced global warming impact at multiple temporal scales within an upper Midwest USA watershed. Land 11:283. [PDF]

Vitousek, P. M., X. Chen, Z. Cui, X. Liu, P. A. Matson, I. Ortiz-Monasterio, G. P. Robertson, and F. Zhang. 2022. Climate-change-induced temporal variation in precipitation increases nitrogen losses from intensive cropping systems: Analysis with a toy model. Frontiers of Agricultural Science and Engineering 9:457-464. [PDF]

2021

Abraha, M., J. Chen, S. K. Hamilton, P. Sciusco, C. Lei, G. Shirkey, J. Yuan, and G. P. Robertson. 2021. Albedo-induced global warming impact of Conservation Reserve Program grasslands converted to annual and perennial bioenergy crops. Environmental Research Letters 16:084059. [PDF]

Aoda, M. I., A. J. M. Smucker, S. S. Majeed, H. A. Mohammed, F. H. Al-Sahaf, and G. P. Robertson. 2021. Novel root zone soil water retention improves production with half the water in arid sands. Agronomy Journal 13:2398-2406. [PDF]

Belanger, M., C. Vizza, G. P. Robertson, and S. S. Roley. 2021. Quantifying and correcting for pre-assay CO2 loss in short-term carbon mineralization assays. SOIL 7:47-52. [PDF]

Grace, P. and G. P. Robertson. 2021. Soil carbon sequestration potential and the identification of hotspots in the Eastern Corn Belt of the United States. Soil Science Society of America Journal 85:1410-1424. [PDF]

Hussain, M. Z., S. K. Hamilton, G. P. Robertson, and B. Basso. 2021. Phosphorus availability and leaching losses in annual and perennial cropping systems in an upper US Midwest landscape. Scientific Reports 11:20367. [PDF]

Kravchenko, A. N., H. Zheng, Y. Kuzyakov, G. P. Robertson, and A. K. Guber. 2021. Belowground interplant carbon transfer promotes soil carbon gains in diverse plant communities. Soil Biology and Biochemistry 159:108297. [PDF]

Liang, D. and G. P. Robertson. 2021. Nitrification is a minor source of nitrous oxide (N2O) in an agricultural landscape and declines with increasing management intensity. Global Change Biology 27:5599-5613. [PDF]

Lowry, C., G. P. Robertson, and D. C. Brainard. 2021. Strip-tillage decreases soil nitrogen availability and increases the potential for N losses in a cover cropped organic system. Agriculture, Ecosystems & Environment 319:107524. [PDF]

Mosier, S., S. C. Córdova, and G. P. Robertson. 2021. Restoring soil fertility on degraded lands to meet food, fuel, and climate security needs via perennialization. Frontiers in Sustainable Food Systems 5:706142. [PDF]

O’Neill, B., C. D. Sprunger, and G. P. Robertson. 2021. Do soil health tests match farmer experience? Assessing biological, physical, and chemical indicators in the upper Midwestern United States. Soil Science Society of America Journal 85:903-918. [PDF]

Roley, S. S., T. C. Ulbrich, and G. P. Robertson. 2020. Nitrogen fixation and resorption efficiency differences among twelve upland and lowland switchgrass cultivars. Phytobiomes 5:97-107. [PDF]

Saha, D., B. Basso, and G. P. Robertson. 2021. Machine learning improves predictions of agricultural nitrous oxide (N2O) emissions from intensively managed cropping systems. Environmental Research Letters 16:024004. [PDF]

Spawn-Lee, S. A., T. J. Lark, H. K. Gibbs, R. A. Houghton, C. J. Kucharick, C. Malins, R. E. O. Pelton, and G. P. Robertson. 2021. Comment on ‘Carbon intensity of corn ethanol in the United States: state of the science’. Environmental Research Letters 16:118001. [PDF]

Udvardi, M., F. E. Below, M. J. Castellano, A. J. Eagle, K. E. Giller, J. K. Ladha, X. Liu, T. M. Maaz, B. Nova-Franco, N. Raghuram, G. P. Robertson, S. Roy, M. Saha, S. Schmidt, M. Tegeder, L. M. York, and J. W. Peters. 2021. A research road map for responsible use of agricultural nitrogen. Frontiers in Sustainable Food Systems 5:660155. [PDF]

2020

Bowles, T. M., M. Mooshammer, Y. Socolar, F. Calderón, M. A. Cavigelli, S. W. Culman, W. Deen, C. F. Drury, A. Garcia Y Garcia, A. C. M. Gaudin, W. S. Harkrom, R. M. Lehman, S. L. Osborne, G. P. Robertson, J. Salerno, M. R. Schmer, J. Strock, and A. S. Grandy. 2020. Long-term evidence shows crop rotation diversification increases agricultural resilience to advere growing conditions in North America. One Earth 2:284-293. [PDF]

Cusser, S., C. A. Bahlai, S. M. Swinton, G. P. Robertson, and N. M. Haddad. 2020. Long-term research avoids spurious trends in sustainability attributes of no-till. Global Change Biology 26: 3715-3725. [PDF]

Gelfand, I., S. K. Hamilton, A. N. Kravchenko, R. D. Jackson, K. D. Thelen, and G. P. Robertson. 2020. Empirical evidence for the potential climate benefits of decarbonizing light vehicle transport in the U.S. with bioenergy from purpose-grown biomass with and without BECCS. Environmental Science & Technology 54:2961-2974. [PDF]

Grace, P., T. J. Van Der Weerden, D. W. Rowlings, C. Scheer, C. Brunk, R. Kiese, K. Butterbach-Bahl, R. M. Rees, G. P. Robertson, and U. M. Skiba. 2020. Global Research Alliance N2O chamber methodology guidelines: Considerations for automated flux measurement. Journal of Environmental Quality 49:1126-1140. [PDF]

Hatfield, J. L., J. Antle, K. A. Garrett, R. C. Izaurralde, T. Mader, E. Marshall, M. Nearing, G. P. Robertson, and L. Ziska. 2020. Indicators of climate change in agricultural systems. Climatic Change 163:1719-1732. [PDF]

Hess, L., E. S. Hinckley, G. P. Robertson, and P. A. Matson. 2020. Rainfall intensification increases nitrate leaching from tilled but not no-till cropping systems of the U.S. Midwest. Agriculture, Ecosystems and Environment 290:106747. [PDF]

Hussain, M. Z., G. P. Robertson, B. Basso, and S. K. Hamilton. 2020. Leaching losses of dissolved organic carbon and nitrogen from agricultural soils in the upper US Midwest. Science of the Total Environment 734:139379. [PDF]

Liang, D., Y. Ouyang, L. K. Tiemann, and G. P. Robertson. 2020. Niche differentiation of bacterial versus archaeal soil nitrifiers induced by ammonium inhibition along a management gradient. Frontiers in Microbiology 11:568588. [PDF]

Reed, D., J. Chen, M. Abraha, G. P. Robertson, and K. Dahlin. 2020. The shifting role of mRUE for regulating ecosystem production. Ecosystems 23:359-369. [PDF]

Ruan, L. and G. P. Robertson. 2020. No-till establishment improves the climate benefit of bioenergy crops on marginal grasslands. Soil Science Society of America Journal 84:1280-1295. [PDF]

Sciusco, P., J. Chen, M. Abraha, C. Lei, G. P. Robertson, R. Lafortezza, G. Shirkey, Z. Ouyang, R. Zhang, and R. John. 2020. Spatiotemporal variations of albedo in managed agricultural landscapes: Inferences to global warming impacts (GWI). Landscape Ecology 35:1385-1402. [PDF]

2019

Abraha, M., J. Chen, S. K. Hamilton, and G. P. Robertson. 2019. Long-term evapotranspiration rates for rainfed corn vs. perennial bioenergy crops in a mesic landscape. Hydrological Processes 34:201-822. [PDF]

Abraha, M., I. Gelfand, S. K. Hamilton, J. Chen, and G. P. Robertson. 2019. Carbon debt of field-scale Conservation Reserve Program grasslands converted to annual and perennial bioenergy crops. Environmental Research Letters 14: 024019. [PDF]

Basso, B., G. Shaui, J. Zhang, and G. P. Robertson. 2019. Yield stability analysis reveals sources of large-scale nitrogen loss from the U.S. Midwest. Scientific Reports 9: 5774. [PDF]

Duncan, D. S., L. G. Oates, I. Gelfand, N. Millar, G. P. Robertson, and  R. D. Jackson. 2019. Environmental factors function as constraints on soil nitrous oxide fluxes in bioenergy feedstock cropping systems. Global Change Biology Bioenergy 11: 416-426. [PDF]

Hussain, M. Z., A. K. Bhardwaj, B. Basso, G. P. Robertson, and S. K. Hamilton. 2019. Nitrate leaching from continuous corn, perennial grasses, and poplar in the US Midwest. Journal of Environmental Quality 48:1849-1855. [PDF]

Hussain, M. Z., S. K. Hamilton, A. K. Bhardwaj, B. Basso, K. Thelen, and G. P. Robertson. 2019. Evapotranspiration and water use efficiency of continuous maize and maize and soybean rotation in the upper Midwest U.S. Agricultural Water Management 221:92-98. [PDF]

Kravchenko, A. N., A. K. Guber, B. S. Rasavi, J. Koestel, M. Y. Quigley, G. P. Robertson, and Y. Kuzyakov. 2019. Microbial spatial footprint as a driver of soil carbon stabilization. Nature Communications 10:3121. [PDF]

Roley, S. S., C. Xue, S. K. Hamilton, J. M. Tiedje, and G. P. Robertson. 2019. Isotopic evidence for episodic nitrogen fixation in switchgrass (Panicum virgatum L.). Soil Biology & Biochemistry 129:90-98. [PDF]

Shcherbak, I. and G. P. Robertson. 2019. Nitrous oxide (N2O) from subsurface soils of agricultural ecosystems. Ecosystems 22:1650-1663. [PDF]

Wang, S., G. R. Sanford, G. P. Robertson, R. D. Jackson, and K. D. Thelen. 2019. Perennial bioenergy crop yield and quality response to nitrogen fertilization. BioEnergy Research 13:157-166. [PDF]

2018

Abraha, M., I. Gelfand, J. Chen, S. K. Hamilton, and G. P. Robertson. 2018. Legacy effects of land use on soil nitrous oxide emissions in annual crop and perennial grassland ecosystems. Ecological Applications 28:1362-1369. [PDF]

Abraha, M., S. K. Hamilton, J. Chen, and G. P. Robertson. 2018. Ecosystem carbon exchange on conversion of Conservation Reserve Program grasslands to annual and perennial cropping systems. Agricultural and Forest Meteorology 253-254:151-160. [PDF]

Basso, B., B. Dumont, B. Maestrini, I. Shcherbak, G. P. Robertson, J. R. Porter, P. Smith, K. Paustian, P. R. Grace, S. Asseng, S. Bassu, C. Biernath, K. J. Boote, D. Cammarano, G. De Sanctis, J.-L. Durand, F. Ewert, S. Gayler, D. W. Hyndman, J. Kent, P. Martre, C. Nendel, E. Priesack, D. Ripoche, A. C. Ruane, J. Sharp, P. J. Thorburn, J. L. Hatfield, J. W. Jones, and C. Rosenzweig. 2018. Soil organic carbon and nitrogen feedbacks on crop yields under climate change. Agricultural & Environmental Letters 3:180026. [PDF]

Hamilton, S. K., M. Z. Hussain, C. Lowrie, B. Basso, and G. P. Robertson. 2018. Evapotranspiration is resilient in the face of land cover and climate change in a humid temperate catchment. Hydrological Processes 32:655-663. [PDF]

Hess, L., E.-L. Hinckley, G. P. Robertson, S. K. Hamilton, and P. Matson. 2018. Rainfall intensification enhances deep percolation and soil water content in tilled and no-till cropping systems in the US Midwest. Vadose Zone Journal 17:180128. [PDF]

Jones, C. D., L. G. Oates, G. P. Robertson, and R. C. Izaurralde. 2018. Perennialization and cover cropping mitigate soil carbon loss from residue harvesting. Journal of Environmental Quality 47:710-717. [PDF]

Kleinman, P. J. A., S. Spiegal, J. R. Rigby, S. C. Goslee, J. M. Baker, B. T. Bestelmeyer, R. K. Boughton, R. B. Bryant, M. A. Cavigelli, J. D. Derner, E. W. Duncan, D. C. Goodrich, D. R. Huggins, K. W. King, M. A. Liebig, M. A. Locke, S. B. Mirsky, G. E. Moglen, T. B. Moorman, F. B. Pierson, G. P. Robertson, E. J. Sadler, J. S. Shortle, J. L. Steiner, T. C. Strickland, H. M. Swain, T. Tsegaye, M. R. Williams, and C. L. Walthall. 2018. Advancing the sustainability of US agriculture through long-term research. Journal of Environmental Quality 47:1412-1425. [PDF]

McGill, B. M., S. K. Hamilton, N. Millar, and G. P. Robertson. 2018. The greenhouse gas cost of agricultural intensification with groundwater irrigation in a Midwest US row cropping system. Global Change Biology  24:5948-5960. [PDF]

Millar, N., A. Urrea, K. Kahmark, I. Shcherbak, G. P. Robertson, and I. Ortiz-Monasterio. 2018. Nitrous oxide (N2O) responds exponentially to nitrogen fertilizer in irrigated wheat in the Yaqui Valley, Mexico. Agriculture, Ecosystems and Environment 261:125-132. [PDF]

Roley, S. S., D. S. Duncan, D. Liang, A. Garoutte, R. D. Jackson, J. M. Tiedje, and G. P. Robertson. 2018. Associative nitrogen fixation (ANF) in switchgrass (Panicum virgatum) across a nitrogen input gradient. PLoS ONE 13:e0197320. [PDF]

Spiegal, S., B. T. Bestelmeyer, D. W. Archer, D. J. Augustine, E. H. Boughton, R. K. Boughton, M. A. Cavigelli, P. E. Clark, J. D. Derner, E. W. Duncan, C. Hapeman, D. H. Harmel, P. Heilman, M. A. Holly, D. R. Huggins, K. King, P. J. A. Kleinman, M. A. Liebig, M. A. Locke, G. W. McCarty, N. Millar, S. B. Mirsky, T. B. Moorman, F. B. Pierson, J. R. Rigby, G. P. Robertson, J. L. Steiner, T. C. Strickland, H. M. Swain, B. J. Wienhold, J. D. Wulfhorst, M. A. Yost, and C. L. Walthall. 2018. Evaluating strategies for sustainable intensification of US agriculture through the Long-Term Agroecosystem Research network. Environmental Research Letters 13:034031. [PDF]

Sprunger, C. D., S. W. Culman, G. P. Robertson, and S. S. Snapp. 2018. How does nitrogen and perenniality influence belowground biomass and nitrogen use efficiency in small grain cereals? Crop Science 58:2110-2120. [PDF]

Sprunger, C. D. and G. P. Robertson. 2018. Early accumulation of active fraction soil carbon in newly established cellulosic biofuel systems. Geoderma 318:42-51. [PDF]

2017

Austin, E. E.,  K. Wickings, M. McDaniel, G. P. Robertson, and A. S. Grandy. 2017. Cover crop root contributions to soil carbon in a no-till corn bioenergy cropping system. GCB Bioenergy 9:1252-1263. [PDF]

Izaurralde, C., W. B. McGill, J. Williams, C. Jones, R. Link, D. Manowitz, D. Schwab, X. Zhang, G. P. Robertson, and N. Millar. 2017. Simulating microbial denitrification with EPIC: Model description and initial testing. Ecological Modelling 359:349-362. [PDF]

Jones, C. D., X. Zhang, A. D. Reddy, G. P. Robertson, and C. R. Izaurralde. 2017. The greenhouse gas intensity and potential biofuel production capacity of maize stover harvest in the US Midwest. GCB Bioenergy 9:1543-1554. [PDF]

Kravchenko, A. N., S. S. Snapp, and G. P. Robertson. 2017. Field-scale experiments reveal persistent yield gaps in low-input and organic cropping systems. Proceedings of the National Academy of Sciences USA 114:926-931. [PDF]

Kravchenko, A. N., E. R. Toosi, A. K. Guber, N. E. Ostrom, J. Yu, K. Azeem, M. L. Rivers, and G. P. Robertson. 2017. Hotspots of soil N2O emission enhanced through water absorption by plant residue. Nature Geoscience 10:496-500. [PDF]

Reimer, A., J. E. Doll, B. Basso, S. T. Marquart-Pyatt, G. P. Robertson, D. Stuart, and J. Zhao. 2017. Moving toward sustainable farming systems: Insights from private and public sector dialogues on nitrogen management. Journal of Soil and Water Conservation 72:5A-9A. [PDF]

Robertson, G. P., S. K. Hamilton, B. L. Barham, B. E. Dale, R. C. Izaurralde, R. D. Jackson, D. A. Landis, S. M. Swinton, K. D. Thelen, and J. M. Tiedje. 2017. Cellulosic biofuel contributions to a sustainable energy future: Choices and outcomes. Science 356:eaal2324. doi: 10.1126/science.aal2324. [PDF]

Ruan, L. and G. P. Robertson. 2017.  Reduced snow cover increases wintertime nitrous oxide (N2O) emissions from an agricultural soil in the upper U.S. Midwest. Ecosystems 20:917-927 [PDF]

Sanford, G. R., R. D. Jackson, L. G. Oates, G. P. Robertson, S. Roley, and K. D. Thelen. 2017. Biomass production a stronger driver of ethanol yield than biomass quality. Agronomy Journal 109:1-9. [PDF]

Sprunger, C. D., S. W. Culman, G. P. Robertson, and S. S. Snapp. 2017. Perennial grain on a Midwest Alfisol shows no sign of early soil carbon gain. Renewable Agriculture and Food Systems 33:360-372. [PDF]

Sprunger, C. D., L. G. Oates, R. D. Jackson, and G. P. Robertson. 2017. Plant community composition influences fine root production and biomass allocation in perennial bioenergy cropping systems of the upper Midwest, USA. Biomass and Bioenergy 105:248-258. [PDF]

Valdez, Z., W. C. Hockaday, C. M. Masiello, M. E. Gallagher, and G. P. Robertson. 2017. Soil carbon and nitrogen responses to nitrogen fertilizer and harvesting rates in switchgrass cropping systems. BioEnergy Research 10:456-464. [PDF]

Yang, Q., X. Zhang, M. Abraha, S. Del Grosso, G. P. Robertson, and J. Chen. 2017. Enhancing the soil and water assessment tool model for simulating N2O emissions of three agricultural systems. Ecosystem Health and Sustainability 3:e01259. [PDF]

2016

Abraha, M., I. Gelfand, S. K. Hamilton, C. Shao, Y.-J. Su, G. P. Robertson, and J. Chen. 2016. Ecosystem water-use efficiency of annual corn and perennial grasses: Contributions from land-use history and species composition. Ecosystems 19: 1001-1012. [PDF]

Gelfand I, Shcherbak I, Millar N, Kravchenko AN, Robertson GP. 2016. Long-term nitrous oxide fluxes in annual and perennial agricultural and unmanaged ecosystems in the upper Midwest USA. Global Change Biology 22:3594-3607 [PDF]

Gustafson, D., M. Hayes, E. Janssen, D. B. Lobell, S. Long, G. C. Nelson, H. B. Pakrasi, P. Raven, G. P. Robertson, R. Robertson, and D. Wuebbles. 2016. Pharaoh’s dream revisited: an integrated US Midwest field research network for climate adaptation. BioScience 66:80-85. [PDF]

Ladoni, M., A. Basir, G. P. Robertson, and S. Kravchenko. 2016. Scaling-up: cover crops differentially influence soil carbon in agricultural fields with diverse topography. Agriculture, Ecosystems and Environment 225:93-103. [PDF]

Millar, N. and G. P. Robertson. 2016. Managing nitrogen fertilizers in the field to reduce greenhouse gases. Fertilizer Focus September/October:54-57. [PDF]

Oates, L. G., D. S. Duncan, I. Gelfand, N. Millar, S. K. Hamilton, G. P. Robertson, and R. D. Jackson. 2015. Nitrous oxide emissions during establishment of eight alternative cellulosic bioenergy cropping systems in the North Central United States. Global Change Biology Bioenergy 8:539-549. [PDF]

Paustian, K., J. Lehmann, S. Ogle, D. Reay, G. P. Robertson, and P. Smith. 2016. Climate-smart soils. Nature 532:49-57. [PDF]

Ruan, L., A. K. Bhardwaj, S. K. Hamilton, and G. P. Robertson. 2016. Nitrogen fertilization challenges the climate benefit of cellulosic biofuels. Environmental Research Letters 11:064007. [PDF]

Sanford, G. R., L. G. Oates, P. Jasrotia, K. D. Thelen, G. P. Robertson, and R. D. Jackson. 2016. Comparative productivity of alternative cellulosic bioenergy cropping systems in the North Central USA. Agriculture, Ecosystems and Environment 216:344-355. [PDF]

2015

Abraha, M., J. Chen, H. Chu, T. Zenone, R. John, Y.-J. Su, S. K. Hamilton, and G. P. Robertson. 2015. Evapotranspiration of annual and perennial biofuel crops in a variable climate. Global Change Biology Bioenergy 7:1344-1356. [PDF]

Basso, B., D. W. Hyndman, A. D. Kendall, P. R. Grace, and G. P. Robertson. 2015. Can impacts of climate change and agricultural adaptation strategies be accurately quantified if crop models are annually reinitialized? PLoS ONE 10:e0127333. [PDF]

Gelfand, I., M. Cui, J. Tang, and G. P. Robertson. 2015. Short-term drought response of N₂O and CO₂ emissions from mesic agricultural soils in the US Midwest. Agriculture, Ecosystem and Environment 212:127-133. [PDF]

Gelfand, I. and G. P. Robertson. 2015. A reassessment of the contribution of soybean biological nitrogen fixation to reactive N in the environment. Biogeochemistry 123: 175-184. [PDF]

Gelfand, I. and G. P. Robertson. 2015. Mitigation of greenhouse gas emissions in agricultural ecosystems. Pages 310-339 in S. K. Hamilton, J. E. Doll, and G. P. Robertson, editors. The Ecology of Agricultural Landscapes: Long-Term Research on the Path to Sustainability. Oxford University Press, New York, New York, USA. [PDF]

Hamilton, S. K., J. E. Doll, and G. P. Robertson, editors. 2015. The Ecology of Agricultural Landscapes: Long-Term Research on the Path to Sustainability. Oxford University Press, New York, New York, USA. [Link]

Hamilton, S. K., M. Z. Hussain, A. K. Bhardwaj, B. Basso, and G. P. Robertson. 2015. Comparative water use by maize, perennial crops, restored prairie, and poplar trees in the US Midwest. Environmental Research Letters 10:064015. [PDF]

Kravchenko, A.N. and G.P. Robertson. 2015. Statistical challenges in analyses of chamber-based soil CO₂ and N₂O emissions data. Soil Science Society of America Journal 79:200-211. [PDF]

Ladoni, M., A. N. Kravchenko, and G. P. Robertson. 2015. Topography mediates the influence of cover crops on soil nitrate levels in row crop agricultural systems. PLoS ONE 10:e0143358. [PDF]

Millar, N. and G. P. Robertson. 2015. Nitrogen transfers and transformations in row-crop ecosystems. Pages 213-251 in S. K. Hamilton, J. E. Doll, and G. P. Robertson, editors. The Ecology of Agricultural Landscapes: Long-Term Research on the Path to Sustainability. Oxford University Press, New York, New York, USA. [PDF]

Robertson, G. P. 2015. A sustainable agriculture? Daedalus 144:76-89. [PDF]

Robertson, G.P. and P.M. Groffman. 2015. Nitrogen transformations. Pages 421-446 in E.A. Paul, editor. Soil Microbiology, Ecology and Biochemistry. 4^th Edition. Academic Press, Burlington, MA. [PDF]

Robertson, G. P., K. L. Gross, S. K. Hamilton, D. A. Landis, T. M. Schmidt, S. S. Snapp, and S. M. Swinton. 2015. Farming for ecosystem services: An ecological approach to production agriculture. Pages 33-53 in S. K. Hamilton, J. E. Doll, and G. P. Robertson, editors. The Ecology of Agricultural Landscapes: Long-Term Research on the Path to Sustainability. Oxford University Press, New York, New York, USA. [PDF]

Robertson, G. P. and S. K. Hamilton. 2015. Long-term ecological research in agricultural landscapes at the Kellogg Biological Station LTER site: conceptual and experimental framework. Pages 1-32 in S. K. Hamilton, J. E. Doll, and G. P. Robertson, editors. The Ecology of Agricultural Landscapes: Long-Term Research on the Path to Sustainability. Oxford University Press, New York, New York, USA. [PDF]

Snapp, S. S., R. G. Smith, and G. P. Robertson. 2015. Designing cropping systems for ecosystem services. Pages 378-408 in S. K. Hamilton, J. E. Doll, and G. P. Robertson, editors. The Ecology of Agricultural Landscapes: Long-Term Research on the Path to Sustainability. Oxford University Press, New York, New York, USA. [PDF]

Stuart, D. L., B. Basso, S. T. Marquart-Pyatt, A. P. Reimer, G. P. Robertson, and J. Zhao. 2015. The need for a coupled human and natural systems understanding of agricultural nitrogen loss. Bioscience 65:571-578. [PDF]

Swinton, S. M., N. Rector, G. P. Robertson, C. B. Jolejole-Foreman, and F. Lupi. 2015. Farmer decisions about adopting environmentally beneficial practices. Pages 340-359 in S. K. Hamilton, J. E. Doll, and G. P. Robertson, editors. The Ecology of Agricultural Landscapes: Long-Term Research on the Path to Sustainability. Oxford University Press, New York, New York, USA. [PDF]

2014

Ogle, S. M., P. R. Adler, F. J. Breidt, S. Del Grosso, A. Franzluebbers, M. Liebig, B. Linquist, G. P. Robertson, M. Schoeneberger, J. Six, C. van Kessel, R. Venterea, and T. West. 2014. Chapter 3: Quantifying greenhouse sources and sinks in cropland and grazing land systems. Pages 3.1-3.141 in M. Eve, D. Pape, M. Flugge, R. Steele, D. Man, M. Riley-Gilbert, and S. Biggar, eds. Quantifying Greenhouse Gas Fluxes in Agriculture and Forestry: Methods for Entity-Scale Inventory. Technical Bulletin Number 1939. Office of the Chief Economist, U.S. Department of Agriculture, Washington, DC. [PDF]

Pryor, S. C., D. Scavia, C. Downer, M. Gaden, L. Iverson, R. Nordstrom, J. Patz, and G. P. Robertson. 2014. Chapter 18: Midwest. Pages 418-440 in J. M. Melillo, Terese (T.C.) Richmond, and G. W. Yohe, eds. Climate Change Impacts in the United States: The Third National Climate Assessment. U.S. Global Change Research Program. doi:10.7930/J0J1012N. [PDF]

Robertson, G. P. 2014. Soil greenhouse gas emissions and their mitigation. Pages 185-196 in N. Van Alfen, editor. Encyclopedia of Agriculture and Food Systems. Elsevier, San Diego, California, USA. [PDF]

Robertson, G. P., P. R. Grace, R. C. Izaurralde, W. P. Parton, and X. Zhang. 2014. Correspondence: CO₂ emissions from crop residue-derived biofuels. Nature Climate Change 4:933-934. [PDF]

Robertson, G. P., K. L. Gross, S. K. Hamilton, D. A. Landis, T. M. Schmidt, S. S. Snapp, and S. M. Swinton. 2014. Farming for ecosystem services: an ecological approach to production agriculture. BioScience 64:404-415. [PDF]

Shcherbak, I., N. Millar, and G. P. Robertson. 2014. Global metaanalysis of the nonlinear response of soil nitrous oxide (N₂O) emissions to fertilizer nitrogen. Proceedings of the National Academy of Sciences USA 111:9199-9204. [PDF]

Shcherbak, I. and G. Philip Robertson. 2014. Determining the diffusivity of nitrous oxide in soil using in situ tracers. Soil Science Society of America Journal 78:79-88. [PDF]

Syswerda, S. P. and G. P. Robertson. 2014. Ecosystem services along a management intensity gradient in Michigan (USA) cropping systems. Agriculture, Ecosystems & Environment 189:28-35. [PDF]

Werling, B. P., T. L. Dickson, R. Isaacs, H. Gaines, C. Gratton, K. L. Gross, H. Liere, C. M. Malmstrom, T. D. Meehan, L. Ruan, B. A. Robertson, G. P. Robertson, T. M. Schmidt, A. C. Schrotenboer, T. K. Teal, J. K. Wilson, and D. A. Landis. 2014. Perennial grasslands enhance biodiversity and multiple ecosystem services in bioenergy landscapes. Proceedings of the National Academy of Sciences USA 111:1652-1657. [PDF]

2013

Duke, C.S., R.V. Pouyat, G.P. Robertson, and W.J. Parton. 2013. Ecological dimensions of biofuels. Issues in Ecology 17: 1-17. [PDF]

Gelfand, I., R. Sahajpal, X. Zhang, C. R. Izaurralde, K. L. Gross, and G. P. Robertson. 2013. Sustainable bioenergy production from marginal lands in the US Midwest. Nature 493: 514-517. [PDF]

Millar, N., G. P. Robertson, A. Diamant, R. J. Gehl, P. R. Grace, and J. P. Hoben. 2013. Quantifying N₂O emissions reductions in US agricultural crops through N fertilizer rate reduction. Verified Carbon Standard, Washington, DC, USA. [PDF]

Robertson, G. P., T. W. Bruulsema, R. Gehl, D. Kanter, D. L. Mauzerall, A. Rotz, and C. Williams. 2013. Nitrogen-climate interactions in US agriculture. Biogeochemistry 114: 41-70. [PDF]

Robertson, G. P. and R. R. Harwood. 2013. Sustainable agriculture. Pages 111-118 in S. A. Levin, editor. Encyclopedia of Biodiversity, Second edition. Academic Press, Waltham, Massachusetts. [PDF]

Ruan, L. and G.P. Robertson. 2013. Initial nitrous oxide, carbon dioxide and methane costs of converting Conservation Reserve Program land to row crops under no-till vs. conventional tillage. Global Change Biology 19: 2478-2489. [PDF]

Xue, K., L. Wu, Y. Deng, Z. He, J. Van Nostrand, G. P. Robertson, T. M. Schmidt, and J. Zhou. 2013. Functional gene differences in soil microbial communities from conventional, low-input and organic farmlands. Applied and Environmental Microbiology 79:1284-1292. [PDF]

Zenone, T., I. Gelfand, J.Chen, S. K. Hamilton, and G.P. Robertson. 2013. From set-aside grassland to annual and perennial cellulosic biofuel crops: effects of land use change on carbon balance. Agricultural and Forest Meteorology 182-183: 1-12. [PDF]

2012

Millar, N., G. P. Robertson, A. Diamant, R. J. Gehl, P. R. Grace, and J. P. Hoben. 2012. The MSU-EPRI methodology for quantifying nitrous oxide (N₂O) emissions reductions by reducing nitrogen fertilizer use on agricultural crops. American Carbon Registry, Winrock International, Little Rock, Arkansas. [PDF]

Robertson, G.P. 2012. Long-term ecological research. Pages 237-240 in D. Fogel, S. Fredericks, L. Butler Harrington, and W. Smith (eds.). The Berkshire Encyclopedia of Sustainability: Vol. 6. Measurements, indicators, and research methods for sustainability. Berkshire Publishing, Great Barrington, Massachusetts, USA. [PDF]

Robertson, G. P., S. L. Collins, D. R. Foster, N. Brokaw, H. W. Ducklow, T. L. Gragson, C. Gries, S. K. Hamilton, A. D. McGuire, J. C. Moore, E. H. Stanley, R. B. Waide, and M. W. Williams. 2012. Long-term ecological research in a human-dominated world. BioScience 62:342-353. [PDF]

Syswerda, S. P., B. Basso, S. K. Hamilton, J. B. Tausig, and G. P. Robertson. 2012. Long-term nitrate loss along an agricultural intensity gradient in the Upper Midwest USA. Agriculture, Ecosystems and Environment 149:10-19. [PDF]

2011

Basso, B., O. Gargiulo, K. Paustian, G.P. Robertson, C. Porter, P.R. Grace, and J.W. Jones. 2011. Procedures for initializing soil organic carbon pools in the DSSAT-CENTURY model for agricultural systems. Soil Science Society of America Journal 75: 69-78. [PDF]

Bhardwaj, A. K., P. Jasrotia, S. K. Hamilton, and G. P. Robertson. 2011. Ecological management of intensively cropped agro-ecosystems improves soil quality with sustained productivity. Agriculture, Ecosystems and Environment 140:419-429. [PDF]

Bhardwaj A.K., T. Zenone, P. Jasrotia, G.P. Robertson, J. Chen, S.K. Hamilton. 2011. Water and energy footprints of bioenergy crop production on marginal lands. Global Change Biology-Bioenergy 3: 208-222. [PDF]

Collins, S.L., S.R. Carpenter, S.M. Swinton, T.L. Gragson, N. B. Grimm, J. M. Grove, S.L. Harlan, A. K. Knapp, G.P. Kofinas, J. J. Magnuson, W.H. McDowell, J. M. Melack, L.A. Ogden, D. Ornstein, G.P. Robertson, M.D. Smith, and A.C. Whitmer. 2011. An integrated conceptual framework for social-ecological research. Frontiers in Ecology and the Environment 9: 351-357. [PDF]

Eagle, A. J., L. R. Henry, L. P. Olander, K. H. Haugen-Kozyra, N. Millar, and G. P. Robertson. 2011. Greenhouse gas mitigation potential of agricultural land management in the United States: a synthesis of the literature. Second edition. Nicholas Institute for Environmental Policy Solutions, Durham, North Carolina, USA. [PDF]

Follett, R., S. Mooney, J. Morgan, K. Paustian, L. H. Allen Jr, S. Archibeque, J. M. Baker, S. J. Del Grosso, J. Derner, F. Dijkstra, A. J. Franzluebbers, H. Janzen, L. A. Kurkalova, B. A. McCarl, S. Ogle, W. Parton, J. M. Peterson, C. W. Rice, G. P. Robertson, M. Schoeneberger, T. O. West, and J. William. 2011. Carbon sequestration and greenhouse gas fluxes in agriculture: challenges and opportunities. Council for Agricultural Science and Technology (CAST), Ames, Iowa, USA. [PDF]

Gelfand, I., T. Zenone, P. Jasrotia, J. Chen, S. K. Hamilton, and G. P. Robertson. 2011. Carbon debt of Conservation Reserve Program (CRP) grasslands converted to bioenergy production. Proceedings of the National Academy of Sciences 108:13864-13869. [PDF]

Grace, P., G.P. Robertson, N. Millar, M. Colunga-Garcia, B. Basso, S. Gage, and J. Hoben. 2011. The contribution of maize cropping in the Midwest USA to global warming: A regional estimate. Agricultural Systems 104: 292-296. [PDF]

Hoben, J. P., R. J. Gehl, N. Millar, P. R. Grace, and G. P. Robertson. 2011. Nonlinear nitrous oxide (N₂O) response to nitrogen fertilizer in on-farm corn crops of the US Midwest. Global Change Biology 17:1140–1152. [PDF]

Kravchenko, A.N. and G.P. Robertson. 2011. Whole-profile soil carbon stocks: The danger of assuming too much from analyses of too little. Soil Science Society of America Journal 75: 235-240. [PDF]

Levine, U.Y., T.K. Teal, G.P. Robertson, and T.M. Schmidt. 2011. Agriculture’s impact on microbial diversity and associated fluxes of carbon dioxide and methane. International Society for Microbial Ecology Journal 5: 1683-1691. [PDF]

Robertson, G.P., S.K. Hamilton, W.J. Parton, and S. J. Del Grosso. 2011. The biogeochemistry of bioenergy landscapes: Carbon, nitrogen, and water considerations. Ecological Applications 21: 1005-1067. [PDF]

Smemo, K. A., N. E. Ostrom, M. R. Opdyke, P. H. Ostrom, S. Bohm, and G. P. Robertson. 2011. Improving process-based estimates of N₂O emissions from soil using temporally extensive chamber techniques and stable isotopes. Nutrient Cycling in Agroecosystems 91: 145-154. [PDF]

Syswerda, S.P., A.T. Corbin, D.L. Mokma, A. N. Kravchenko, and G.P. Robertson. 2011. Agricultural management and soil carbon storage in surface vs. deep layers. Soil Science Society of America Journal 75: 92-101. [PDF]

Zenone, T., J. Chen, M. W. Deal, B. Wilske, P. Jasrotia, X. Jianye, A. K. Bhardwaj, S. K. Hamilton, and G. P. Robertson. 2011. CO₂ fluxes of transitional bioenergy crops: Effect of land conversion during the first year of cultivation. Global Change Biology Bioenergy 3: 401-412. [PDF]

2010

Corbin, A. T., K. D. Thelen, G. P. Robertson, and R. H. Leep. 2010. Influence of cropping systems on soil aggregate and weed seedbank dynamics during the organic transition period. Agronomy Journal 102:1632-1640. [PDF]

Dale, V.H., R. Lowrance, P. J. Mulholland, and G. P. Robertson. 2010. Bioenergy sustainability at the regional scale. Ecology and Society 15, Article 23. [PDF]

Gelfand, I., S.S. Snapp, and G.P. Robertson. 2010. Energy efficiency of conventional, organic, and alternative cropping systems at a site in the U.S. Midwest. Environmental Science and Technology 44: 4006-4011. [PDF]

McSwiney, C.P., S. Bohm, P.R. Grace, and G.P. Robertson. 2010. Greenhouse gas emissions calculator for grain and biofuel farming systems. Journal of Natural Resources and Life Sciences Education 39: 125-131. [PDF]

Millar, N., G. P. Robertson, P. R. Grace, R. J. Gehl, and J. P. Hoben. 2010. Nitrogen fertilizer management for nitrous oxide (N₂O) mitigation in intensive corn (maize) production: An emissions reduction protocol for US Midwest agriculture. Mitigation and Adaptation Strategies for Global Change 15: 185-204. [PDF]

Ostrom, N. E., R. L. Sutka, P. H. Ostrom, A. S. Grandy, K. H. Huizinga, H. Gandhi, J. C. von Fisher, and G. P. Robertson. 2010. Isotopologue data reveal denitrification as the primary source of N₂O upon cultivation of a native temperate grassland. Soil Biology and Biochemistry 42: 499-506. [PDF]

Robertson, G.P., S.K. Hamilton, S. J. Del Grosso, and W.J. Parton. 2010. Growing Plants for Fuel: Predicting Effects on Water, Soil, and the Atmosphere. In Biofuels and Sustainability Reports: Ecological Society of America. [PDF]

Thelen, K.D., B.E. Fronning, A. N. Kravchenko, D.H. Min, and G.P. Robertson. 2010. Integrating livestock manure with a corn-soybean bioenergy cropping system improves short-term carbon sequestration rates and net global warming potential. Biomass & Bioenergy 34:960-966. [PDF]

2009

Gao, J., X. Hao, K. D. Thelen, and G. P. Robertson. 2009. Agronomic management system and precipitation effects on soybean oil and fatty acid profiles. Crop Science 49: 1049-1057. [PDF]

Getter, K. L., D. B. Rowe, G. P. Robertson, B. M. Cregg, and J. A. Andresen. 2009. Carbon sequestration potential orf extensive green roofs. Environmental Science Technology 43: 7564-7570. [PDF]

Kravchenko, A. N., X. Hao, and G. P. Robertson. 2009. Seven years of continuously planted Bt corn did not affect mineralizable and total soil C and total N in surface soil. Plant and Soil 318: 269-274. [PDF]

Loecke, T. D. and G. P. Robertson. 2009. Soil resource heterogeneity in terms of litter aggragation promotes nitrous oxide fluxes and slows decomposition. Soil Biology and Biochemistry 41: 228-235. [PDF]

Loecke, T. D. and G. P. Robertson. 2009. Soil resource heterogeneity in the form of aggregated litter alters maize productivity. Plant and Soil 325: 231-241. [PDF]

Robertson, G. P. and P. M. Vitousek. 2009. Nitrogen in agriculture: balancing the cost of an essential resource. Annual Review of Environment and Resources 34: 97-125. [PDF]

Searchinger, T. D., S. P. Hamburg, J. Melillo, W. L. Chameides, P. Havlik, D. M. Kammen, G. E. Likens, R. N. Lubowski, M. Obersteiner, M. Oppenheimer, G. P. Robertson, W. H. Schlesinger, and G. D. Tilman. 2009. Fixing a critical climate accounting error. Science 326: 527-528 and responses to letters, Science 327: 781 and 1200-1201. [PDF]

Senthilkumar, S., B. Basso, A. N. Kravchenko, and G. P. Robertson. 2009. Contemporary evidence for soil carbon loss under different crop management systems and never tilled grassland in the U.S. corn belt. Soil Science Society of America Journal 73: 2078-2086. [PDF]

Senthilkumar, S., A. N. Kravchenko, and G. P. Robertson. 2009. Topography influences management system effects on total soil carbon and nitrogen. Soil Science Society of America Journal 73: 2059-2067. [PDF]

Vitousek, P. M., R. Naylor, T. Crews, M. B. David, L. E. Drinkwater, H. E., P. J. Johnes, J. Katzenberger, L. A. Martinelli, P. A. Matson, G. Nziguheba, D. Ojima, C. A. Palm, G. P. Robertson, P. A. Sanchez, A. R. Townsend, and F. S. Zhang. 2009. Nutrient imbalances in agricultural development. Science 324: 1519-1520, and response to letters , Science 326: 665-666. [PDF]

2008

Cleland, E. E., C. Clark, S. Collins, J. Fargione, L. Gough, K. L. Gross, D. G. Milchunas, S. Pennings, W. D. Bowman, I. C. Burke, W. K. Lauenroth, G. P. Robertson, J. Simpson, D. Tilman, and K. N. Suding. 2008. Species responses to nitrogen fertilization in herbaceous plant communities and associated species traits (Data paper). Ecology 89: 1175. [PDF]

Robertson, G. P. 2008. Long-term ecological research: Re-inventing network science. Frontiers in Ecology and the Environment 6: 281. [PDF]

Robertson, G. P., V. G. Allen, G. Boody, E. R. Boose, N. G. Creamer, L. E. Drinkwater, J. R. Gosz, L. Lynch, J. L. Havlin, L. E. Jackson, S. T. A. Pickett, L. Pitelka, A. Randall, A. S. Reed, T. R. Seastedt, R. B. Waide, and D. H. Wall. 2008. Long-term agricultural research: A research education, and extension imperative. BioScience 58: 640-643. [PDF]

Robertson, G. P., V. H. Dale, O. C. Doering, S. P. Hamburg, J. M. Melillo, M. M. Wander, W. J. Parton, P. R. Adler, J. N. Barney, R. M. Cruse, C. S. duke, P. M. Fearnside, R. F. Follett, H. K. Gibbs, J. Goldemberg, D. J. Miadenoff, D. Ojima, M. W. Palmer, A. Sharpley, L. Wallace, K. C. Weathers, J. A. Wiens, and W. W. Wilhelm. 2008. Sustainable biofuels redux. Science 322: 49. [PDF]

Smith, R.G., K.L. Gross and G.P. Robertson. 2008. Effects of crop diversity on agrecosystem function: Crop yield response. Ecosystems 11: 355-366. [PDF]

Smith, R. G., C. P. McSwiney, A. S. Grandy, P. Suwanwaree, R. M. Snider, and G. P. Robertson. 2008. Diversity and abundance of earthworms across an agricultural land-use intensity gradient. Soil & Tillage Research 100: 83-88. [PDF]

2007

Collins, S., S. Swinton, C. Anderson, B. Benson, J. Brunt, T. Gragson, N. Grimm, M. Grove, D. Henshaw, A. Knapp, G. Kofinas, J. Magnuson, W. McDowel, J. Melack, J. Moore, L. Ogden, J. Porter, O. Reichman, G.P. Robertson, M. Smith, J. VandeCastle, and A.Whitmer. 2007. Integrated Science for Society and the Environment: A strategic research initiative. LTER Network Office, Albuquerque, New Mexico [PDF]

Grandy, A. S., and G. P. Robertson. 2007. Land use intensity effects on soil C accumulation rates and mechanisms. Ecosystems 10: 59-74. [PDF]

Hamilton, S. K., A. L. Kurzman, C. Arango, L. Jin, and G. P. Robertson. 2007. Evidence for carbon sequestration by agricultural liming. Global Biogeochemical Cycles 21: GB2021, doi:10.1029/2006GB002738. [PDF]

Horvath, B. J., A. N. Kravchenko, G. P. Robertson, and J. M. Vargas, Jr. 2007. Geostatistical analysis of dollar spot epidemics occurring on a mixed sward of creeping bentgrass and annual bluegrass. Crop Science 47:1206-1216. [PDF]

Kravchenko, A. N., and G. P. Robertson. 2007. Can topographical and yield data substantially improve total soil carbon mapping by regression kriging? Agronomy Journal 99: 12-17. [PDF]

Ostrom, N. E., A. J. Pitt, R. L. Sutka, P. H. Ostrom, A. S. Grandy, K. H. Huizinga, and G. P. Robertson. 2007. Isotopologue effects during N₂O reduction in soils and in pure cultures of denitrifiers. Journal of Geophysical Research 112: doi.10.1029/2006JG00287. [PDF]

Robertson, G. P., L. W. Burger, C. L. Kling, R. Lowrance, and D. J. Mulla. 2007. New approaches to environmental management research at landscape and watershed scales. Pages 27-50 in M. Schnepf and C. Cox, eds. Managing Agricultural Landscapes for Environmental Quality. Soil and Water Conservation Society, Ankeny, Iowa, USA. [PDF]

Robertson, G. P., and P. Groffman. 2007. Nitrogen transformations. Pages 341-364 in E. A. Paul ed. Soil Microbiology, Biochemistry, and Ecology. Springer, New York, New York, USA. [PDF]

Smith, R. G., F. D. Menalled, and G. P. Robertson. 2007. Temporal yield variability under conventional and alternative management systems. Agronomy Journal 99: 1629-1634. [PDF]

Swinton, S. M., F. Lupi, G. P. Robertson, and S. K. Hamilton. 2007. Ecosystem services and agirculture: cultivating agriculture ecosystems for diverse benefits. Ecological Economics 64: 245-252. [PDF]

2006

Ambus, P., and G. P. Robertson. 2006. The effect of increased N deposition on nitrous oxide, methane, and carbon dioxide fluxes from unmanaged forest and grassland communities in Michigan. Biogeochemistry 79: 315-337. [PDF]

Grace, P. R., M. Colunga-Garcia, S. H. Gage, G. P. Robertson, and G. R. Safir. 2006. The potential impact of agricultural management and climate change on soil organic carbon resources in terrestrial ecosystems of the North Central Region of the United States. Ecosystems 9: 816-827. [PDF]

Grace, P. R., J. N. Ladd, G. P. Robertson, and S. H. Gage. 2006. SOCRATES – A simple model for predicting long-term changes in soil organic carbon in terrestrial ecosystems. Soil Biology and Biochemistry 38: 1172-1176. [PDF]

Grandy, A. S., T. D. Loecke, S. Parr, and G. P. Robertson. 2006. Long-term trends in nitrous oxide emissions, soil nitrogen, and crop yields of till and no-till cropping systems. Journal of Environmental Quality 35: 1487-1495. [PDF]

Grandy, A. S., and G. P. Robertson. 2006. Aggregation and organic matter protection following tillage of a previously uncultivated soil. Soil Science Society of America Journal 70: 1398-1406. [PDF]

Grandy, A. S. and G. P. Robertson. 2006. Initial cultivation of a temperate-region soil immediately accelerates aggregate turnover and CO₂ and N₂O fluxes. Global Change Biology 12: 1507-1520. [PDF]

Grandy, A. S., G. P. Robertson, and K. D. Thelen. 2006. Do productivity and environmental tradeoffs justify periodically cultivating no-till cropping systems? Agronomy Journal 98: 1377-1383. [PDF]

Kravchenko, A. N., G. P. Robertson, X. Hao, and D. G. Bullock. 2006. Management practice effects on surface total carbon: Difference in spatial variability patterns. Agronomy Journal 98: 1559-1568. [PDF]

Kravchenko, A. N., G. P. Robertson, S. S. Snapp, and A. J. M. Smucker. 2006. Using information about spatial variability to improve estimates of total soil carbon. Agronomy Journal 98: 823-829. [PDF]

Robertson, G. P., and A. S. Grandy. 2006. Soil system management in temperate regions. Pages 27-39 in N. Uphoff, A. S. Ball, E. Fernandes, H. Herren, O. Husson, M. Laing, C. Palm, J. Pretty, P. Sanchez, N. Snanginga, and J. Thies, eds. Biological Approaches to Sustainable Soil Systems. CRC Press, Taylor and Francis Group, Boca Raton, Florida, USA. [PDF]

Swinton, S. M., F. Lupi, G. P. Robertson, and D. A. Landis. 2006. Ecosystem services from agriculture: Looking beyond the usual suspects. American Journal of Agricultural Economics 88: 1160-1166. [PDF]

2005

Kravchenko, A. N., G. P. Robertson, K. D. Thelen, and R. R. Harwood. 2005. Management, topographical, and weather effects on spatial variability of crop grain yields. Agronomy Journal 97: 514-523. [PDF]

McSwiney, C. P., and G. P. Robertson. 2005. Non-linear response of N₂O flux to incremental fertilizer addition in a continuous maize (Zea mays sp.) cropping system. Global Change Biology 11: 1712-1719. [PDF]

Morris, S. J., and G. P. Robertson. 2005. Linking function between scales of resolution. Pages 13-26 in J. Dighton, P. V. Oudemans, and J. F. White, eds. The Fungal Community, 3rd Ed. Marcel Dekker, New York, New York, USA.

Mosier, A. R., A. D. Halvorson, G. A. Peterson, G. P. Robertson, and L. Sherrod. 2005. Measurement of net global warming potential in three agroecosystems. Nutrient Cycling in Agroecosystems 7: 67-76. [PDF]

Robertson, G. P., and S. M. Swinton. 2005. Reconciling agricultural productivity and environmental integrity: A grand challenge for agriculture. Frontiers in Ecology and the Environment 3: 38-46. [PDF]

Suwanwaree, P., and G.P. Robertson. 2005. Methane oxidation in forest, successional, and no-till agricultural ecosysttems: Effects of nitrogen and soil disturbance. Soil Science Society of America Journal 69: 1722-1729. [PDF]

2004

Caldeira, K., M. G. Morgan, D. Baldocchi, P. G. Brewer, C. T. A. Chen, G.-J. Nabuurs, N. Nakicenovic, and G. P. Robertson. 2004. A portfolio of carbon management options. Pages 103-103 in C. B. Field and M. R. Raupach, eds. The Global Carbon Cycle. Island Press, Washington, DC, USA. [PDF]

Kosola, K. R., D. M. Durall, G. P. Robertson, D. I. Dickmann, D. Parry, C. A. Russell, and E. A. Paul. 2004. Resilience of mycorrhizal fungi on defoliated and fertilized hybrid poplars. Canadian Journal of Botany 82: 671-680. [PDF]

Robertson, G. P. 2004. Abatement of nitrous oxide, methane, and the other non-CO₂ greenhouse gases: The need for a systems approach. Pages 493-506 in C. B. Field and M. R. Raupach, eds. The Global Carbon Cycle. Island Press, Washington, DC, USA. [PDF]

Robertson, G. P., J. C. Broome, E. A. Chornesky, J. R. Frankenberger, P. Johnson, M. Lipson, J. A. Miranowski, E. D. Owens, D. Pimentel, and L. A. Thrupp. 2004. Rethinking the vision for environmental research in U.S. agriculture. BioScience 54: 61-65. [PDF]

Robertson, G. P., and P. R. Grace. 2004. Greenhouse gas fluxes in tropical and temperate agriculture: The need for a full-cost accounting of global warming potentials. Environment, Development and Sustainability 6: 51-63. [PDF]

Russell, C. A., K. R. Kosola, E. A. Paul, and G. P. Robertson. 2004. Nitrogen cycling in poplar stands defoliated by insects. Biogeochemistry 68:365-381. [PDF]

Sanchez, J. E., R. R. Harwood, T. C. Willson, K. Kizilkaya, J. Smeenk, E. Parker, E. A. Paul, B. D. Knezek, and G. P. Robertson. 2004. Integrated agricultural systems: Managing soil carbon and nitrogen for productivity and environmental quality. Agronomy Journal 96: 769-775. [PDF]

2003

Dalal, R. C., W. Wang, G. P. Robertson, W. J. Parton, C. M. Myer, and R. J. Raison. 2003. Emission Sources of Nitrous Oxide from Australian Agricultural and Forest Lands and Mitigation Options, National Carbon Accounting System, Technical Report No. 35. Australian Greenhouse Office, Australian Government, Canberra, Australia. [PDF]

Dazzo, F. B., A. R. Joseph, A. Gomaa, Y. G. Yanni, and G. P. Robertson. 2003. Quantitative indices for the autecological biogeography of a rhizobium endophyte of rice at macro and micro spatial scales. Symbiosis 35:147-158. [PDF]

Fortuna, A. M., R. R. Harwood, G. P. Robertson, J. W. Fisk, and E. A. Paul. 2003. Seasonal changes in nitrification potential under sustainable management systems. Agriculture, Ecosystems and the Environment 97: 285-293. [PDF]

Grace, P. R., M. C. Jain, L. W. Harrington, and G. P. Robertson. 2003. Long-term sustainability of the tropical and subtropical rice and wheat system: An environmental perspective. Pages 27-43 in J. K. Ladha, J. E. Hill, J. M. Duxbury, R. K. Gupta, and R. J. Buresh, eds. Improving the Productivity and Sustainability of Rice-Wheat System: Issues and Impacts. American Society of Agronomy Special Publication 65, Madison, Wisconsin, USA. [PDF]

2002

Bergsma, T.T., G. P. Robertson, and N. E. Ostrom. 2002. Influence of soil moisture and land use history on denitrification end-products. Journal of Environmental Quality 31: 711-717. [PDF]

Ostrom, N. E., L. O. Hedin, J. C. von Fischer, and G. P. Robertson. 2002. Nitrogen transformations and NO₃^– removal at a soil-stream interface: a stable isotope approach. Ecological Applications 12:1027-1043. [PDF]

2001

Ambus, P., E. S. Jensen, and G. P. Robertson. 2001. Nitrous oxide and N-leaching losses from agricultural soil: influence of crop residue particle size, quality and placement. Phyton (Austria) 41: 7-15. [PDF]

Bergsma, T. T., N. E. Ostrom, M. Emmons, and G. P. Robertson. 2001. Measuring simultaneous fluxes from soil of N₂O and N₂ in the field using the ¹⁵N-gas “nonequilibrium” technique. Environmental Science and Technology 35: 4307-4312. [PDF]

Cavigelli, M. A., and G. P. Robertson. 2001. Role of denitrifier diversity in rates of nitrous oxide consumption in a terrestrial ecosystem. Soil Biology and Biochemistry 33:297-310. [PDF]

Daroub, S., B. G. Ellis, and G. P. Robertson. 2001. Effect of cropping and low-chemical input systems on soil phosphorus fractions. Soil Science 166: 281-291. [PDF]

Robertson, G. P., P. J. Barry, F. F. Busta, R. J. Collier, N. T. Keen, R. R. Sederoff, W. W. Simpkins, F. Stormshak, and T. N. Urban. 2001. Moribund funding in agricultural research (Letter). Science 291: 2089-2090. [PDF]

Robertson, G. P., and R. R. Harwood. 2001. Sustainable agriculture. Pages 99-108 in S. A. Levin, ed. Encyclopedia of Biodiversity. Academic Press, New York. [PDF]

2000

Cavigelli, M. A., and G. P. Robertson. 2000. The functional significance of denitrifier community composition in a terrestrial ecosystem. Ecology 81:1402-1414. [PDF]

Robertson, G. P. 2000. Denitrification. Pages C181-190 in M.E. Sumner et al., eds. Handbook of Soil Science. CRC Press, Boca Raton, FL. [PDF]

Robertson, G. P., and E. A. Paul. 2000. Decomposition and soil organic matter dynamics. Pages 104-116 in E. S. Osvaldo, R. B. Jackson, H. A. Mooney, and R. W. Howarth, eds. Methods in Ecosystem Science. Springer Verlag, New York, New York, USA. [PDF]

Robertson, G. P., E. A. Paul, and R. R. Harwood. 2000. Greenhouse gases in intensive agriculture: Contributions of individual gases to the radiative forcing of the atmosphere. Science 289:1922-1925. [PDF]

Stoyan, H., H. De-Polli, S. Bohm, G. P. Robertson, and E. A. Paul. 2000. Spatial variability of soil respiration and related soil properties at the plant scale. Plant and Soil 222: 203-214. [PDF]

1999

Ambus, P., and G. P. Robertson. 1999. Fluxes of CH₄ and N₂O from Aspen stands grown under ambient and twice-ambient CO₂. Plant and Soil 209:1-8. [PDF]

Bergsma, T. T., Q.C. Bergsma, N.E. Ostrom, and G. P. Robertson. 1999. A heuristic model for the calculation of dinitrogen and nitrous oxide flux from ¹⁵N-labeled soil. Soil Science Society of America Journal 63:1709-1716. [PDF]

Groffman, P. M., E. A. Holland, D. D. Myrold, G. P. Robertson, and X. Zou. 1999. Denitrification. Pages 272-290 in G. P. Robertson, C. S. Bledsoe, D. C. Coleman, and P. Sollins, eds. Standard Soil Methods for Long-Term Ecological Research. Oxford University Press, New York. [PDF]

Holland, E. A., G. P. Robertson, J. Greenberg, P. Groffman, R. Boone, and J. Gosz. 1999. Soil CO₂, N₂O, and CH₄ exchange. Pages 185-201 in G. P. Robertson, C. S. Bledsoe, D. C. Coleman, and P. Sollins, eds. Standard Soil Methods for Long-Term Ecological Research. Oxford University Press, New York. [PDF]

Martinelli, L. A., M. C. Piccolo, A. R. Townsend, P. M. Vitousek, E. Cuevas, W. McDowell, G. P. Robertson, O. C. Santos, and K. Treseder. 1999. Nitrogen stable isotopic composition of leaves and soil: tropical versus temperate forests. Pages 45-65 in A. R. Townsend, ed. New Perspectives on Nitrogen Cycling in the Temperate and Tropical Americas. Kluwer Academic Press, Dordrecht, The Netherlands. [PDF]

Paul, E. A., D. Harris, H. P. Collins, U. Schulthess, and G. P. Robertson. 1999. Evolution of CO₂ and soil carbon dynamics in biologically managed, row-crop agroecosystems. Applied Soil Ecology 11: 53-65. [PDF]

Robertson, G. P. 1999. Keeping track of carbon (Letter). Science 285: 1849. [PDF]

Robertson, G. P., D. Wedin, P. M. Groffman, J. M. Blair, E. Holland, K. Nadelhoffer, and D. Harris. 1999. Soil carbon and nitrogen availability: nitrogen mineralization, nitrification, and soil respiration potentials. Pages 258-271 in G. P. Robertson, C. S. Bledsoe, D. C. Coleman, and P. Sollins, eds. Standard Soil Methods for Long-Term Ecological Research. Oxford University Press, New York. [PDF]

Robertson, G. P., C. S. Bledsoe, D. C. Coleman, and P. Sollins, eds. 1999. Standard Soil Methods for Long-Term Ecological Research. Oxford University Press, New York.

Robertson, G. P., P. Sollins, B. G. Ellis, and K. Lajtha. 1999. Exchangeable ions, pH, and cation exchange capacity. Pages 106-114 in G. P. Robertson, C. S. Bledsoe, D. C. Coleman, and P. Sollins, eds. Standard Soil Methods for Long-Term Ecological Research. Oxford University Press, New York. [PDF]

1998

Ambus, P. and G. P. Robertson. 1998. Automated near-continuous measurement of CO₂ and N₂O fluxes with a photoacoustic infra-red spectrometer and flow-through soil cover boxes. Soil Science Society of America Journal 62:394-400. [PDF]

Hedin, L. O., J. C. von Fischer, N. E. Ostrom, B.P. Kennedy, M. G. Brown, and G. P. Robertson. 1998. Thermodynamic and hydrologic controls on the biogeochemical structure of riparian soil-steam interfaces. Ecology 79:684-703. [PDF]

Ostrom, N. E., K. E. Knoke, L. O. Hedin, G. P. Robertson, and A. J. M. Smucker. 1998. Temporal trends in nitrogen isotope values of nitrate leaching from an agricultural soil. Chemical Geology 146: 219-227. [PDF]

Robertson, G. P. 1998. Row crops as ecosystems. Pages 1-16 in M. A. Cavigelli, S. Deming, L. K. Probyn, and R. R. Harwood, eds. Michigan Field Crop Ecology: Managing Biological Processes for Productivity and Environmental Quality. Michigan Agricultural Experiment Station Bulletin, Michigan State University, East Lansing, Michigan, USA.

Robertson, G. P. and E.A. Paul. 1998. Ecological research in agricultural ecosystems: contributions to ecosystem science and to the management of agronomic resources. Pages 142-164 in P.M. Groffman and M.L. Pace (eds) Successes, Limitations and Frontiers in Ecosystem Science, Cary Conference VII, Springer-Verlag, NY. [PDF]

1997

Robertson, G.P. 1997. Nitrogen use efficiency in row crop agriculture: crop nitrogen use and soil nitrogen loss. Pages 347-365 in L. Jackson, ed. Ecology in Agriculture, Academic Press, NY. [PDF]

Robertson, G.P., K.M. Klingensmith, M.J. Klug, E.A. Paul, J.R. Crum, and B.G. Ellis. 1997. Soil resources, microbial activity, and plant productivity across an agricultural ecosystem. Ecological Applications, 7:158-170. [PDF]

1995

Cavigelli, M.A., G.P. Robertson, and M.J. Klug. 1995. Fatty acid methyl ester (FAME) profiles as measures of soil community structure. Plant and Soil 170:99-113. [PDF]

Collins, H.A., G.P. Robertson, and M.J. Klug, eds. 1995. The Significance and Regulation of Soil Biopdiversity. Kluwer Academic Press, Dordrecht, The Netherlands.

Paustian, K., Robertson, G.P., Elliott, E.T., 1995. Management impacts on carbon storage and gas fluxes (CO₂, CH₄) in mid-latitude cropland ecosystems. Pages 69-84 in R. Lal, J.M. Kimble, E. Levine, and B.A Stewart, editors. Soil Management and the Greenhouse Effect, Advances in Soil Science. CRC Press, Boca Raton, Florida, USA. [PDF]

Robertson, G.P. and D.W. Freckman. 1995. The spatial distribution of nematode trophic groups across a cultivated ecosystem. Ecology 76:1425-1432. [PDF]

1994

Henrot, J., and G.P. Robertson. 1994. Vegetation removal in two soils of the humid tropics: effect on microbial biomass. Soil Biology and Biochemistry 26:111-116. [PDF]

Robertson, G.P. 1994. The impact of soil and crop management practices on soil spatial heterogeneity. Pages 156-161 in C.E. Pankhurst, B.M. Doube, V.V.S.R. Gupta, and P.R. Grace, eds. Soil Biota Management in Sustainable Farming Systems, CSIRO Press, Melbourne, Australia. [PDF]

Robertson, G.P. and K.L. Gross. 1994. Assessing the heterogeneity of below ground resources: quantifying pattern and scale. Pages 237-253 In M.M. Caldwell and R. Pearcy, eds. Plant Exploitation of Environmental Heterogeneity. Academic Press, New York. [PDF]

Smith, K.A., G.P. Robertson, and J.M. Melillo. 1994. Trace gas exchange between the terrestrial biosphere and the atmosphere in the midlatitudes. Pages 179-204 in R.G. Prinn, ed. Global Atmospheric-Biospheric Chemistry. Plenum Press, NY. [PDF]

1993

Robertson, G.P. 1993. Fluxes of nitrous oxide and other nitrogen trace gases from intensively managed landscapes: a global perspective. Pages 95-108 in L.A. Harper, A.R. Mosier, J.M. Duxbury, and D.E. Rolston. eds. Agricultural Ecosystem Effects on Trace Gases and Global Climate Change. American Society of Agronomy, Madison, Wisconsin, USA. [PDF]

Robertson, G.P., J.R. Crum, and B.G. Ellis. 1993. The spatial variability of soil resources following long-term disturbance. Oecologia 96:451-456.[PDF]

1992

Schimel, J.P., G.P. Robertson, and 14 others. 1992. Impacts of trace gas fluxes in mid-latitude ecosystems. Ecological Bulletin (Stockholm) 42:124-132. [PDF]

1990

Crum, J. R., G. P. Robertson, and F. Nurenberger. 1990. Long-term climate trends and agricultural productivity in Southwestern Michigan. Pages 53-58 in D. Greenland and L. W. Swift, editors. Climate Variability and Ecosystem Response. U.S. Department of Agriculture, U.S. Forest Service, Southeastern Forest Experiment Station, Asheville, North Carolina, USA. [PDF]

1989

Palm, C., G. P. Robertson, and P. M. Vitousek. 1989. Nitrogen availability. Pages 162-168 in J. M. Anderson and J. S. I. Ingram, eds. Tropical Soil Biology and Fertility: A Handbook of Methods. CAB International, Wallingford, UK. [PDF]

Paul, E.A. and G.P. Robertson. 1989. Ecology and the agricultural sciences: a false dichotomy? Ecology 70:1594-1596. [PDF]

Robertson, G.P. 1989. Nitrification and denitrification in humid tropical ecosystems. Pages 55-70 in J. Proctor, ed. Mineral Nutrients in Tropical Forest and Savanna Ecosystems. Blackwell Scientific, Cambridge, Massachusetts, USA. [PDF]

Robertson, G.P., M.O. Andreae, H.G. Bingemer, P.J. Crutzen, R.A. Delmas, J.H. Duyzer, I. Fung, R.C. Harriss, M. Kanakidou, M. Keller, J.M. Melillo, and G.A. Zavarzin. 1989. Trace gas exchange and the physical and chemical climate: critical interactions. In M.O. Andreae and D.S. Schimel, eds. Trace Gas Exchange between Terrestrial Ecosystems and the Atmosphere. John Wiley, Berlin.

1988

Groffman, P.M., J.M. Tiedje, G.P. Robertson, and S. Christensen. 1988. Denitrification at different temporal and geographic scales: proximal and distal controls. pp. 174-192. In J.R. Wilson, ed. Advances in N Cycling in Agricultural Ecosystems. Comm. Agric. Bur. International, Wallingford, U.K. [PDF]

Robertson, G.P., 1988. Book review: B.N. Richards, ed. The Microbiology of Terrestrial Ecosystems. Ecology 69: 1312. [PDF]

Robertson, G.P., M.A. Huston, F.C. Evans, and J.M. Tiedje. 1988. Spatial variability in a successional plant community: patterns of nitrogen availability. Ecology 69:1517-1524. [PDF]

Robertson, G.P. and J.M. Tiedje. 1988. Denitrification in a humid tropical rainforest. Nature 336:756-759. [PDF]

Sollins, P., G.P. Robertson, and G. Uehara. 1988. Nutrient mobility in variable- and permanent-charge soils. Biogeochemistry 6:181-199. [PDF]

1987

Matson, P.A., P.M. Vitousek, J.J. Ewel, M.J. Mazzarino, and G.P. Robertson. 1987. Nitrogen transformations following tropical forest felling and burning on a volcanic soil. Ecology 68:491-502. [PDF]

Robertson, G.P. 1987. Geostatistics in ecology: interpolating with known variance. Ecology 68:744-748. [PDF]

Robertson, G.P. and J.M. Tiedje. 1987. Nitrous oxide sources in aerobic soils: nitrification, denitrification, and other biological processes. Soil Biology and Biochemistry 19:187-193. [PDF]

Robertson, G.P., P.M. Vitousek, P.A. Matson, and J.M. Tiedje. 1987. Denitrification in a clear cut loblolly pine plantation in the Southeastern U.S.: differences related to harvest intensity, site preparation, and cultivation practice. Plant and Soil 97:119-129. [PDF]

1986

Robertson, G.P. 1986. Nitrogen: regional contributions to the global cycle. Environment 28:16-29. [PDF]

Robertson, G.P. and T. Rosswall. 1986. Nitrogen in West Africa: the regional cycle. Ecological Monographs 56:43-72. [PDF]

1985

Robertson, G.P. and J.M. Tiedje. 1985. An automated method for sampling the contents of stoppered gas collection vials. Plant and Soil 83:453-457. [PDF]

1984

Robertson, G.P. 1984. Nitrification and nitrogen mineralization in a lowland rainforest succession in Costa Rica, Central America. Oecologia 61:99-104. [PDF]

Robertson, G.P. and J.M. Tiedje. 1984. Denitrification and nitrous oxide production in successional and old growth Michigan forests. Soil Science Society of America Journal 48:383-389. [PDF]

Robertson, G.P., 1984. Book review: B. Bolin and B. Cook, eds. The Major Biogeochemical Cycles and their Interactions. Ecology 65: 1703-1704. [PDF]

1982

Robertson, G.P. 1982. Factors regulating nitrification in primary and secondary succession. Ecology 63:1561-1573. [PDF]

Robertson, G.P. 1982. Nitrification in forested ecosystems. Philosophical Transactions of the Royal Society of London 296:445-457. [PDF]

Robertson, G.P. 1982. Regional nitrogen budgets: approaches and problems. Plant & Soil 67:73-80. [PDF]

Robertson, G.P., R. Herrera, and T. Rosswall (eds). 1982. Nitrogen Cycling in Ecosystems of Latin America and the Caribbean. Developments in Plant and Soil Sciences, Vol. 6. Martinus Nijhoff/D. W. Junk, The Hague. Also published as Plant & Soil 67:1-430. [PDF]

1981

Robertson, G.P. and P.M. Vitousek. 1981. Nitrification in the course of ecological succession. BioScience 31:141-144. [PDF]

Robertson, G.P. and P.M. Vitousek. 1981. Nitrification potentials in primary and secondary succession. Ecology 62:376-386. [PDF]