Publications

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Journal Article
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.
R. M. Maher, Asbjornsen, H., Kolka, R. K., Cambardella, C. A., and Raich, J. W., Changes in soil respiration across a chronosequence of tallgrass prairie reconstructions, Agriculture, ecosystems & environment, vol. 139, pp. 749-753, 2010.
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.
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-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.
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)
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.
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.
A. Clinton, Prairie strips research indicate curbed nutrient loss, Advance, no. February 26, 2015, 2015.
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.
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. Renee Cheatham, Species and functional diversity effects on productivity and nutrient uptake: implications for designing sustainable agricultural systems in the Midwest, 2007.
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.
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.
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.