Publications

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.

G. William Shepherd, “A comparative agroecosystems analysis of soil water and root dynamics under six different vegetative cover types”, 2006.

M. Perez-Bidegain, “Modeling phosphorus transport using the WEPP model”, Iowa State University, 2007.

R. Matthew Maher, “Soil respiration and plant growth across a chronosequence of tallgrass prairie reconstructions”, 2007.

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, Mora, G., and Helmers, M. J., “Variation in water uptake dynamics among contrasting agricultural and native plant communities in the Midwestern US”, Agriculture, ecosystems & environment, vol. 121, pp. 343-356, 2007.

G. Arbuckle J Jr, Helmers, M. J., Liebman, M. Z., and Schulte, L. A., “From vulnerability to resiliency: Iowa agriculture in the age of biorenewables”, 2008.

S. Secchi, Tyndall, J., Schulte, L. A., and Asbjornsen, H., “High crop prices and conservation: Raising the stakes”, Journal of Soil and Water Conservation, vol. 63, p. 68A-73A, 2008. Secchi et al. 2008 JSWC.pdf (968.32 KB)

H. Asbjornsen, Shepherd, G., Helmers, M., and Mora, G., “Seasonal patterns in depth of water uptake under contrasting annual and perennial systems in the Corn Belt Region of the Midwestern US”, Plant and Soil, vol. 308, pp. 69-92, 2008.

L. A. Schulte, Asbjornsen, H., Atwell, R. C., Hart, C., Helmers, M., Isenhart, T., Kolka, R., Liebman, M., Neal, J., O'Neal, M., Schultz, R., Secchi, S., Thompson, J., Tomer, M., and Tyndall, J., “Targeted conservation approaches for improving water quality: Multiple benefits for expanded opportunities”, Iowa State University, Ames, Iowa, PMR 1002, 2008. Schulte et al. 2008 ISUExt.PMR1002.pdf (2.12 MB)

A. M. Roberts, Helmers, M. J., and Fillery, I. R. P., “The adoptability of perennial-based farming systems for hydrologic and salinity control in dryland farming systems in Australia and the United States of America”, Crop and Pasture Science, vol. 60, pp. 83-99, 2009.

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.

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.

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.

J. Doudna, Helmers, M., and O'Neal, M., “Can conservation complement agriculture?”, 2011.

N. P. Schmidt, O'Neal, M. E., and Moore, L. A. Schulte, “Effects of grassland habitat and plant nutrients on soybean aphid and natural enemy populations”, Environmental Entomology, vol. 40, pp. 260-272, 2011.

G. Drake Larsen, Farming for ecosystem services: A case study of multifunctional agriculture in Iowa, USA. Iowa State University, 2011.

G. L. Larsen, Knoot, T. G., and Tyndall, J., “From Science to Practice: Findings from the 2011 STRIPs Project Stakeholder Meeting (June 21, 2011)”, 2011.

M. E. O'Neal and Moore, L. A. Schulte, “The impact of biodiversity services in row crop production in annual verses perennial landscapes”, 2011.

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.

M. Jarchow and Liebman, M., “Incorporating prairies into multifunctional landscapes: establishing and managing prairies for enhanced environmental quality, livestock grazing, and hay production, bioenergy production, and carbon sequestration”. 2011. 2011-02-incorporating-prairies-multifunctional-landscapes.pdf (2.85 MB)

M. Liebman, Helmers, M. J., and Schulte, L. A., “Integrating conservation with biofuel feedstock production”, Managing agricultural landscapes for environmental quality II: achieving more effective conservation. Soil and Water Conservation Society of America, Ames, IA, pp. 131-142, 2011.

“A Landowner's Guide to Prairie Conservation Strips”, 2011. . landowners_guide_to_prairie_conservation_strips.pdf (327.73 KB)

M. E. Jarchow and Liebman, M., “Maintaining multifunctionality as landscapes provide ecosystem services”, Frontiers in Ecology and the Environment, vol. 9, pp. 262-262, 2011.

M. J. Helmers, Zhou, X., Asbjornsen, H., and Kolka, R., “Water quality benefits of perennial filter strips in row-cropped watersheds”, 2011.

A. L. MacDonald, “Blurring the lines between production and conservation lands: Bird use of prairie strips in row-cropped landscapes”, 2012.

S. M. Hirsh, “Diversifying monoculture crops by incorporating prairie buffer strips”, 2012.

D. Mitchell, “Nitrogen sources and sinks in Iowa soils: biogeochemical links between carbon inputs, nitrate leaching, and nitrous oxide emissions”, 2012.

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.

D. Rae Lockett, “Soil Hydraulic Property Impacts of Incorporating Prairie Vegetation within a Row Crop Production Area”, 2012.

J. Antonio Gu Lopez, “Soil moisture dynamics in agriculturally-dominated landscapes after the introduction of native prairie vegetation”, 2012.

M. E. Jarchow and Liebman, M., “Tradeoffs in biomass and nutrient allocation in prairies and corn managed for bioenergy production”, Crop Science, vol. 52, pp. 1330-1342, 2012.

R. Ann Cox Ohde, “The use of reconstructed prairies in Iowa's agricultural landscape to increase ecosystem services and move towards multifunctionality”, 2012.

L. A. Schulte, Ontl, T. A., and Larsen, G. Drake, “Biofuels and Biodiversity, Wildlife Habitat Restoration”, 2013.

R. Hessel, “Classical and conservation biological control of pest insects within prairie and crop systems”, 2013.

J. Tyndall, Moore, L. Schulte, Liebman, M., and Helmers, M., “The Cost of Prairie Strips”, 2013. . the_cost_of_prairie_conservation_strips.pdf (1.36 MB)

S. M. Hirsh, Mabry, C. M., Schulte, L. A., and Liebman, M., “Diversifying agricultural catchments by incorporating tallgrass prairie buffer strips”, Ecological Restoration, vol. 31, pp. 201-211, 2013.

L. Schulte Moore, “Farm Bill Politics May Prove Devastating to the Environment”, 2013. .

J. G. Arbuckle Jr., “Farmer attitudes toward proactive targeting of agricultural conservation programs”, Society & Natural Resources, vol. 26, pp. 625-641, 2013.

J. C. Tyndall, Schulte, L. A., Liebman, M., and Helmers, M., “Field-Level Financial Assessment of Contour Prairie Strips for Enhancement of Environmental Quality”, Environmental Management, vol. 52, pp. 736-747, 2013.

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.

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.

E. Heaton, Moore, L. Schulte, Helmers, M., Liebman, M., and Milster, F., “Producing food, feed and energy: How can agriculture do it all?”, 25th Annual Integrated Crop Management Conference. Iowa State University, Ames, Iowa, 2013. producing_food_feed_and_energy_how_can_agriculture_do_it_all_.pdf (2.95 MB)

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.

J. Tyndall and Roesch-McNally, G. Elan, “Agricultural water quality BMPs: A standardized approach to financial analysis”, Journal of Extension, vol. 52, no. 3, p. 1, 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. 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.