Publications

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.

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.

J. G. Arbuckle, “STRIPS Cooperator Follow-On Survey: 2015 Results”, Iowa State University Department of Sociology, 1042, 2016. Arbuckle 2016 -- STRIPS cooperators feedback.pdf (1.11 MB)

J. Arbuckle, “STRIPS Collaborator Survey: 2019 Results”, Iowa State University Department of Sociology, Ames, IA, 2020. arbuckle_2020_strips_collaborator_survey_2019_str1058.pdf (2.68 MB)

J. G. Arbuckle, “STRIPS Cooperator Survey 2018 results”, 2019. 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. strips_cooperator_survey_2017_stc_1052.pdf (2.55 MB)

J. Arbuckle, “STRIPS Collaborator Survey: 2020 Results”, Iowa State University Extension, Ames, 1060, 2021. arbuckle_2021_strips_collaborator_survey_2020_str1060.pdf (3.12 MB)

J. G. Arbuckle, “STRIPS Cooperator Follow-On Survey: 2016 Results”, Iowa State University, Ames, IA, Sociology Technical Report 1049, 2017. arbuckle_2017_strips_2016_cooperators_survey_report_v2.pdf (1.52 MB)

J. Arbuckle, “Iowa Farm and Rural Life Poll - 2020 Summary Report”, Iowa State University Extension and Outreach, Ames, Iowa, 2020. soc3094.pdf (930.35 KB)