G. Robertson

Evapotranspiration and water use efficiency of continuous maize and maize and soybean in rotation in the upper Midwest U.S.
Hussain, M. Z., Stephen K. Hamilton, Ajay K. Bhardwaj, B. Basso, Kurt D. Thelen, and G. P. Robertson. 2019. “Evapotranspiration and Water Use Efficiency of Continuous Maize and Maize and Soybean in Rotation in the Upper Midwest U.S”. Agricultural Water Management 221: 92-98. doi:10.1016/j.agwat.2019.02.049.
Evapotranspiration is resilient in the face of land cover and climate change in a humid temperate catchment
Hamilton, Stephen K., M. Z. Hussain, Christopher 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 (5): 655-63. doi:10.1002/hyp.11447.
The greenhouse gas cost of agricultural intensification with groundwater irrigation in a Midwest U.S. row cropping system
McGill, Bonnie, Stephen K. Hamilton, N. Millar, and G. P. Robertson. 2018. “The Greenhouse Gas Cost of Agricultural Intensification With Groundwater Irrigation in a Midwest U.S. Row Cropping System”. Global Change Biology 24 (12): 5948-60. doi:10.1111/gcb.14472.
Comparative water use by maize, perennial crops, restored prairie, and poplar trees in the US Midwest
Hamilton, Stephen 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. doi:10.1088/1748-9326/10/6/064015.
Long-term nitrate loss along an agricultural intensity gradient in the Upper Midwest USA
Syswerda, S. P., B. Basso, Stephen 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 & Environment 149: 10-19. doi:10.1016/j.agee.2011.12.007.
Water and energy footprints of bioenergy crop production on marginal lands
Bhardwaj, A. K., T. Zenone, P. Jasrotia, G. P. Robertson, J. Chen, and Stephen K. Hamilton. 2011. “Water and Energy Footprints of Bioenergy Crop Production on Marginal Lands”. Global Change Biology - Bioenergy 3 (3): 208-22. doi:10.1111/j.1757-1707.2010.01074.x.
Ecological management of intensively cropped agro-ecosystems improves soil quality with sustained productivity
Bhardwaj, A. K., P. Jasrotia, Stephen 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 (3-4): 419-29. doi:10.1016/j.agee.2011.01.005.
Bioenergy: Counting on Incentives: Response
Searchinger, T. D., Steven P. Hamburg, J.M. Melillo, W. Chameides, P. Havlik, D.M. Kammen, Gene E. Likens, et al. 2010. “Bioenergy: Counting on Incentives: Response”. Science 327: 1200-1201.
Carbon Calculations to Consider: Response
Searchinger, T. D., Steven P. Hamburg, J.M. Melillo, W. Chameides, P. Havlik, D.M. Kammen, Gene E. Likens, et al. 2010. “Carbon Calculations to Consider: Response”. Science 327: 781-81.
Soil heterogeneity in the form of aggregated litter alters maize productivity
Loecke, T.D., and G. P. Robertson. 2009. “Soil Heterogeneity in the Form of Aggregated Litter Alters Maize Productivity”. Plant Soil 325: 231-41.