Thomas C Kaspar
(Tom)
Soil and Water Quality Research
Plant Physiologist
Phone: (515) 294-8873
Fax: (515) 294-8125
Room 238 2110 UNIVERSITY BOULEVARD
NAT SOIL TILTH LAB AMES, IA, 50011-3120
Kaspar, T.C., Kladivko, E.J., Singer, J.W., Morse, S., Mutch, D. 2008. Potential and limitations of cover crops, living mulches, and perennials to reduce nutrient losses to water sources from agricultural fields in the upper Mississippi basin. In: Final Report: Gulf Hypoxia and Local Water Quality Concerns Workshop. St. Joseph, Michigan, ASABE. p.129-148.
Parkin, T.B., De Sutter, T.M., Prueger, J.H., Kaspar, T.C., Sauer, T.J. 2006. Field Comparison of Methods for Measuring Soil CO2 Flux [CD-ROM]. In: ASA-CSSA-SSSA Annual Meeting Abstracts. Nov. 12-16, 2006, Indianapolis, IN.
Jarecki, M.K., Parkin, T.B., Chan, A., Kaspar, T.C., Hatfield, J.L., Jones, R.A. 2006. Field measurement results versus DAYCENT simulations in nitrous oxide emission from agricultural soil in Central Iowa [CD-ROM]. In: ASA-CSSA-SSSA Annual Meeting Abstracts. Nov. 12-16, 2006, Indianapolis, IN.
Heitman, J.L., Gaur, A., Horton, R., Jaynes, D.B., Kaspar, T.C. 2007. Field Measurement of Soil Surface Chemical Transport Properties for Comparison of Management Zones. Soil Science Society of America Journal. 71(2):529-536.
Ritchie, J.C., McCarty, G.W., Venteris, E.R., Kaspar, T.C. 2006. Geomorphic controls of soil and carbon redistribution across an agricultural landscape [abstract]. American Geophysical Union Fall Meeting Abstract No. B51B-309.
Jaynes, D.B., Olk, D.C., Colvin, T., Kaspar, T.C., Karlen, D.L. 2007. Response to "Comments on 'Need for a Soil-based Approach in managing Nitrogen Fertilizers for Profitable Corn Production' and 'Soil Organic Nitrogen Enrichment Following Soybean in an Iowa Corn-Soybean Rotation'". Soil Science Society of America Journal. 71(1):255.
Kaspar, T.C., Parkin, T.B., Jaynes, D.B., Cambardella, C.A., Meek, D.W., Jung, Y.S. 2006. Examining changes in soil organic carbon with oat and rye cover crops using terrain covariates. Soil Science Society of America Journal. 70:1168-1177.
Kaspar, T.C., Jaynes, D.B., Parkin, T.B., Moorman, T.B. 2005. Effects of a rye cover crop and a permanent gamagrass strip on nitrate load in tile drainage [CD-ROM]. In: ASA-CSSA-SSSA Annual Meeting Abstracts. Nov. 6-10, 2005, Salt Lake City, UT.
Martens, D.A., Jaynes, D.B., Colvin, T.S., Kaspar, T.C., Karlen, D.L. 2006. Soil amino acid enrichment following soybean in an Iowa corn-soybean rotation. Soil Science Society of America Journal. 70:382-392.
Parkin, T.B., Kaspar, T.C., Senwo, Z., Prueger, J.H., Hatfield, J.L. 2005. Relationship of soil respiration to crop and landscape in the Walnut Creek watershed. Journal of Hydrometeorology. 6(6):812-824.
Parkin, T.B., Kaspar, T.C. 2005. Filling data gaps in soil respiration measurements using autocorrelation. USDA Greenhouse Gas Symposium. http://soilcarboncenter.k-state.edu/conference/Abstract_Pages.htm
Ritchie, J., McCarty, G., Venteris, E., Kasper, T. 2005. Soil and soil organic carbon redistribution in agricultural ecosystems [abstract]. European Geophysical Research Abstracts. 7:00571.
Ritchie, J.C., McCarty, G.W. Venteris, E.R., Kaspar, T.C. 2005. Using sediment budgets to understand soil organic carbon redistribution and budgets. International Association of Hydrological Sciences Publication. 292:3-8.
Kaspar, T.C., Parkin, T.B. 2004. Soil CO2 Flux on a Hillslope Transect in Relation to Terrain Variables, Soil Texture, Soil OM, and Residue Inputs [CD-ROM]. ASA-CSSA-SSSA Annual Meeting Abstracts. Madison, Wisconsin.
Chaudhary, A., Colvin, T.S., Jaynes, D.B., Kaspar, T.C. 2004. Development of nitrogen response curves using field scale data and data mining. International Conference on Precision Agriculture Abstracts & Proceedings. [CD-ROM]. Madison, WI.
Kaspar, T.C., Jaynes, D.B., Parkin, T.B., Moorman, T.B. 2004. Beyond fertilizer management: in-field approaches for reducing nitrate loads coming from agricultural drainage tiles [abstract]. Final Program Book of Abstracts, The Ninth Biennial Conference Minnesota Water 2004: Policy and Planning to Ensure Minnesota's Water Supplies. Minneapolis, MN. p. 70.
Parkin, T.B., Kaspar, T.C. 2004. Temporal variability of soil C02 flux: effect of sampling frequency on cumulative carbon loss estimation. Soil Science Society of America Journal. 68(4):1234-1241.
PARKIN, T.B., KASPAR, T.C. 2003. TEMPERATURE CONTROLS ON DIURNAL CO2 FLUX: IMPLICATIONS FOR ESTIMATING SOIL C LOSS. SOIL SCIENCE SOCIETY OF AMERICA JOURNAL. 67:1763-1772.
JAYNES, D.B., KASPAR, T.C., COLVIN, T.S. COMPARISON OF TECHNIQUES FOR DEFINING YIELD POTENTIAL ZONES IN AN IOWA FIELD. INTERNATIONAL CONFERENCE ON PRECISION AGRICULTURE ABSTRACTS & PROCEEDINGS. 2002. CD-ROM. MADISON, WI: ASA-CSSA-SSA.