Publications

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H. Asbjornsen, Mora, G., and Helmers, M. J., “Variation in water uptake dynamics among contrasting agricultural and native plant communities in the Midwestern US”, Agriculture, ecosystems & environment, vol. 121, pp. 343-356, 2007.
H. Asbjornsen, Hernandez-Santana, V., Liebman, M., Bayala, J., Chen, J., Helmers, M., Ong, C. K., and Schulte, L. A., “Targeting perennial vegetation in agricultural landscapes for enhancing ecosystem services”, Renewable Agriculture and Food Systems, vol. 29, pp. 101-125, 2014.
H. Asbjornsen, Shepherd, G., Helmers, M., and Mora, G., “Seasonal patterns in depth of water uptake under contrasting annual and perennial systems in the Corn Belt Region of the Midwestern US”, Plant and Soil, vol. 308, pp. 69-92, 2008.
J. G. Arbuckle, “STRIPS Cooperator Survey 2018 results”, 2019.PDF icon arbuckle_2019_cooperator_survey_str1057.pdf (3.37 MB)
J. G. Arbuckle, “STRIPS Cooperator Survey: 2017 Results”, Iowa State University Department of Sociology, Ames, Iowa, 2018.PDF icon strips_cooperator_survey_2017_stc_1052.pdf (2.55 MB)
J. G. Arbuckle, “STRIPS Cooperator Follow-On Survey: 2016 Results”, Iowa State University, Ames, IA, Sociology Technical Report 1049, 2017.PDF icon arbuckle_2017_strips_2016_cooperators_survey_report_v2.pdf (1.52 MB)
J. G. Arbuckle, “STRIPS Cooperator Follow-On Survey: 2015 Results”, Iowa State University Department of Sociology, 1042, 2016.PDF icon Arbuckle 2016 -- STRIPS cooperators feedback.pdf (1.11 MB)