Publications

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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.
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.
K. A. Gill, Cox, R., and O'Neal, M. E., Quality over quantity: buffer strips can be improved with select native plant species, Environmental Entomology, vol. 43, 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.
2006
L. A. Schulte, Asbjornsen, H., Liebman, M., and Crow, T. R., Agroecosystem restoration through strategic integration of perennials, Journal of Soil and Water Conservation, vol. 61, p. 164A-169A, 2006.