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                    U.S. DEPARTMENT OF AGRICULTURE
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ARS Home Midwest Area Ames, Iowa National Laboratory for Agriculture and The Environment People







Walter Woolfolkheadline bar /ARSUserFiles/57802/Woolfolk.png
 I currently work with Dr. Rogovska on saturated buffers and other edge of field practices to reduce nitrates. After earning a B. S. in natural resources (Sewanee) and a M. S. in forest biology (Mississippi State University), I worked with the ARS at Mississippi State in charge of nutrient analysis and collection of soil, plant, manure, runoff, leachate, and gas samples for several years before returning to Iowa. While in Osage, Iowa, I worked with the Mitchell County Soil and Water Conservation District with windbreak design, CRP design, and Cedar River monitoring and sampling for nitrates. I am excited to now return to Ames and the ARS. In my spare time, I enjoy many things: swimming, trying to play the piano again, classic cars, model trains, etc. I am married with two children (ISU student and ISU graduate) and three dogs. **Publications:** Woolfolk, W.T.M.; Friend, A.L. 2003. Growth response of cottonwood roots to varied NH4:NO3 ratios in enriched patches. Tree Physiology (2003) 23, 427-432. Woolfolk, W.T.M. April 2000. Influence of Ammonium:Nitrate Ratio on Growth and N Accumulation of Populus deltoides. M. Sc. Thesis, Mississippi State University, 81 p. Woolfolk, W.T.M., Friend, A.L., Mobley, J., and Calhoun, E.A. 1998. Growth Response of Cottonwood to Varied NH4:NO3 Ratio. Soil Science Society of America, 1998 Annual Meeting Abstracts. ASA-CSSA-SSSA, Madison, WI. p. 298.
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