Publications

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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.
S. M. Hirsh, “Diversifying monoculture crops by incorporating prairie buffer strips”, 2012.
S. M. Hirsh, Mabry, C. M., Schulte, L. A., and Liebman, M., “Diversifying agricultural catchments by incorporating tallgrass prairie buffer strips”, Ecological Restoration, vol. 31, pp. 201-211, 2013.
J. Hill, “Cup plant biases prairie nitrogen composition in response to increasing community diversity”, Iowa State University, Ames, Iowa, 2017.PDF icon hill_honorsproject_final.pdf (490.51 KB)
R. Hessel, “Classical and conservation biological control of pest insects within prairie and crop systems”, 2013.
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.
M. J. Helmers, Zhou, X., Asbjornsen, H., and Kolka, R., “Water quality benefits of perennial filter strips in row-cropped watersheds”, 2011.
M. J. Helmers, Zhou, X., Asbjornsen, H., Kolka, R., Tomer, M. D., and Cruse, R. M., “Sediment removal by prairie filter strips in row-cropped ephemeral watersheds”, Journal of environmental quality, vol. 41, pp. 1531-1539, 2012.
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)
E. A. Heaton, Schulte, L. A., Berti, M., Langeveld, H., Zegada-Lizarazu, W., Parrish, D., and Monti, A., “ Managing a 2G crop portfolio through sustainable intensification: examples from the US and EU”, Biofuels, Bioproducts & Biorefining, vol. 7, 2013.
E. Heaton, Moore, L. Schulte, Helmers, M., Liebman, M., and Milster, F., “Producing food, feed and energy: How can agriculture do it all?”, 25th Annual Integrated Crop Management Conference. Iowa State University, Ames, Iowa, 2013.PDF icon producing_food_feed_and_energy_how_can_agriculture_do_it_all_.pdf (2.95 MB)
M. Hall, Zhang, G., O'Neal, M., Bradbury, S., and Coats, J., “Quantifying neonicotinoid insecticide residues in milkweed and other forbs sampled from prairie strips established in maize and soybean fields”, Agriculture, Ecosystems, and Enivronment, vol. 325, no. 107723, 2021.