Publications

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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.
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.