Publications

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Conference Proceedings
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.
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)
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.
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.
A. G. Dolezal, Clair, A. L. St., Zhang, G., Toth, A. L., and O'Neal, M. E., Native habitat mitigates feast-famine conditions faced by honey bees in an agricultural landscape, Proceedings of the National Academy of Sciences, 2019.PDF icon dolezal_st._clair_et_al._2019_pnas.pdf (1007.54 KB)
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.
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.
B. Chen, Krajewski, W. F., Zhou, X., and Helmers, M. J., Organized variability of surface runoff responses across neighboring hillslopes in Iowa, Journal of Hydrology, vol. 523, pp. 1-13, 2015.
X. Zhou, Helmers, M. J., Asbjornsen, H., Kolka, R., and Tomer, M. D., Perennial filter strips reduce nitrate levels in soil and shallow groundwater after grassland-to-cropland conversion, Journal of environmental quality, vol. 39, pp. 2006-2015, 2010.
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, Zhou, X., Asbjornsen, H., and Kolka, R., Water quality benefits of perennial filter strips in row-cropped watersheds, 2011.
L. A. Garibaldi, Oddi, F. J., Miguez, F. E., Bartomeus, I., Orr, M. C., Jobbágy, E. C., Kremen, C., Moore, L. A. Schulte, Hughes, A. C., Bagnato, C., Abramson, G., Bridgewater, P., Carella, D. Gomez, Díaz, S., Dicks, L. V., Ellis, E. C., Goldenberg, M., Huaylla, C. A., Kuperman, M., Locke, H., Mehrabi, Z., Santibañez, F., and Zhu, C. - D., Working landscapes need at least 20% native habitat, Conservation Letters, 2020.