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X. Zhou, Helmers, M. J., Asbjornsen, H., Kolka, R., Tomer, M. D., and Cruse, R. M., “Nutrient removal by prairie filter strips in agricultural landscapes”, Journal of Soil and Water Conservation, vol. 69, pp. 54-64, 2014.
M. J. Helmers, Grudens-Shuck, N., and Youngquist, T. D., “Novel Use of Conceptual Change Framework Improves Video on Challenging Science Topic”, Journal of Extension, vol. 57, no. 1IAW2, 2019.PDF icon novel_use_of_conceptual_change_framework_improves_video_on_challenging_science_topic.pdf (558.77 KB)
D. Mitchell, “Nitrogen sources and sinks in Iowa soils: biogeochemical links between carbon inputs, nitrate leaching, and nitrous oxide emissions”, 2012.
M. Perez-Suarez, Castellano, M. J., Kolka, R., Asbjornsen, H., and Helmers, M., “Nitrogen and carbon dynamics in prairie vegetation strips across topographical gradients in mixed Central Iowa agroecosystems”, Agriculture, Ecosystems, and Environment, vol. 188, p. 11, 2014.
M. L. Hladik, Bradbury, S., Schulte, L. A., Helmers, M., Witte, C., Kolpin, D. W., Garrett, J. D., and Harris, M., “Neonicotinoid insecticide removal by prairie strips in row-cropped watersheds with historical seed coating use”, Agriculture, Ecosystems, and Environment, vol. 241, pp. 160-167, 2017.
F. Service and Outdoors, F. I. N. D., “Natural Inquirer Monograph Series: Assessing the Environmental Benefits of Prairie Strips”, Natural Inquirer , vol. 20, 2021.PDF icon ni_creamofthecrop_2021_web.pdf (23.6 MB)
G. Zhang, Murray, C., A Clair, S., Cass, R., Dolezal, A. G., Schulte, L. A., Toth, A. L., and O'Neal, M. E., “Native vegetation embedded in landscapes dominated by corn and soybean improves honey bee health and productivity”, Journal of Applied Ecology, 2023.
V. Hernandez-Santana, Zhou, X., Helmers, M. J., Asbjornsen, H., Kolka, R., and Tomer, M., “Native prairie filter strips reduce runoff from hillslopes under annual row-crop systems in Iowa, USA”, Journal of HydrologyJournal of Hydrology, vol. 477, pp. 94-103, 2013.
A. G. Dolezal, Clair, A. L. St., Zhang, G., Toth, A. L., and O'Neal, M. E., “Native habitat mitigates feast-famine conditions faced by honey bees in an agricultural landscape”, Proceedings of the National Academy of Sciences, 2019.PDF icon dolezal_st._clair_et_al._2019_pnas.pdf (1007.54 KB)