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Journal Article
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)
J. Iqbal, Parkin, T. B., Helmers, M. J., Zhou, X., and Castellano, M. J., Denitrification and Nitrous Oxide Emissions in Annual Croplands, Perennial Grass Buffers, and Restored Perennial Grasslands, Soil Science Society of America Journal, vol. 79, 2015.PDF icon 2014 Iqbal et al. SSSAJ.pdf (799.51 KB)
N. Jordan, Schulte, L. A., Williams, C., Pitt, D., Slotterback, C. Shively, Jackson, R., Landis, D., Dale, B., Becker, D., and Rickenbach, M., Landlabs: An Integrated Approach to Creating Agricultural Enterprises That Meet the Triple Bottom Line, Journal of Higher Education Outreach and Engagement, vol. 17, pp. 175-200, 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.
M. Perez-Bidegain, Helmers, M. J., and Cruse, R., Modeling phosphorus transport in an agricultural watershed using the WEPP model, Journal of Environmental Quality, vol. 39, pp. 2121-2129, 2010.
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.