Publications

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2017
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)
F. Kordbacheh, Liebman, M., and Harris, M., Increasing the quantity of forb and grass cover can enhance bee and predatory ground beetle abundance. 2017.PDF icon farnazkordbacheh-esa2018.pdf (8.32 MB)
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.
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.
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.
N. Grudens-Schuck, Helmers, M. J., Youngquist, T. D., and Johnson, M. S., Prairie strips for sediment and nutrient control and biodiversity, Journal of Extension, vol. 55, no. 1, 2017.
L. A. Schulte, Niemi, J., Helmers, M. J., Liebman, M., Arbuckle, J. G., James, D. E., Kolka, R. K., O'Neal, M. E., Tomer, M. D., Tyndall, J. C., Asbjornsen, H., Drobney, P., Neal, J., Van Ryswyk, G., and Witte, C., Prairie strips improve biodiversity and the delivery of multiple ecosystem services from corn–soybean croplands, PNAS, 2017.
2014
D. C. Mitchell, Zhou, X., Parkin, T. B., Helmers, M. J., and Castellano, M. J., Comparing Nitrate Sink Strength in Perennial Filter Strips at Toeslopes of Cropland Watersheds, Journal of Environmental Quality, 2014.PDF icon 2014 Mitchell et al. JEQ.pdf (878.38 KB)
T. E. Smith, Kolka, R. K., Zhou, X., Helmers, M. J., Cruse, R. M., and Tomer, M. D., Effects of native perennial vegetation buffer strips on dissolved organic carbon in surface runoff from an agricultural landscape, Biogeochemistry, vol. 120, pp. 121-132, 2014.
R. Cox, O'neal, M., Hessel, R., Schulte, L. A., and Helmers, M., The impact of prairie strips on aphidophagous predator abundance and soybean aphid predation in agricultural catchments, Environmental Entomology, vol. 43, pp. 1185-1197, 2014.
R. Cox, O'neal, M., Hessel, R., Schulte, L. A., and Helmers, M., The impact of prairie strips on aphidophagous predator abundance and soybean aphid predation in agricultural catchments, Environmental Entomology, vol. 43, pp. 1185-1197, 2014.
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.
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.
J. Gutierrez-Lopez, Asbjornsen, H., Helmers, M., and Isenhart, T., Regulation of soil moisture dynamics in agricultural fields using strips of native prairie vegetation, Geoderma, vol. 226, pp. 238-249, 2014.
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, 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.
2013
R. Hessel, Classical and conservation biological control of pest insects within prairie and crop systems, 2013.
J. Tyndall, Moore, L. Schulte, Liebman, M., and Helmers, M., The Cost of Prairie Strips, 2013. .PDF icon the_cost_of_prairie_conservation_strips.pdf (1.36 MB)
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. C. Tyndall, Schulte, L. A., Liebman, M., and Helmers, M., Field-Level Financial Assessment of Contour Prairie Strips for Enhancement of Environmental Quality, Environmental Management, vol. 52, pp. 736-747, 2013.
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.
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.
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.
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)
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. Liebman, Helmers, M. J., Schulte, L. A., and Chase, C. A., Using biodiversity to link agricultural productivity with environmental quality: Results from three field experiments in Iowa, Renewable Agriculture and Food Systems, vol. 28, pp. 115-128, 2013.
2011
J. Doudna, Helmers, M., and O'Neal, M., Can conservation complement agriculture?, 2011.
D. R. Lockett, Zhou, X., and Helmers, M. J., Impacts of Incorporating Prairie Vegetation within Row Crop Production on Soil Hydraulic Properties, 2011 Louisville, Kentucky, August 7-10, 2011. American Society of Agricultural and Biological Engineers, p. 1, 2011.
M. Liebman, Helmers, M. J., and Schulte, L. A., Integrating conservation with biofuel feedstock production, Managing agricultural landscapes for environmental quality II: achieving more effective conservation. Soil and Water Conservation Society of America, Ames, IA, pp. 131-142, 2011.
M. J. Helmers, Zhou, X., Asbjornsen, H., and Kolka, R., Water quality benefits of perennial filter strips in row-cropped watersheds, 2011.