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United States Department of Agriculture

Agricultural Research Service

Albert A Swalla (Bert)
National Laboratory for Agriculture and the Environment
Biological Science Lab Technician (Soils)

Phone: (515) 294-8743
Fax: (515) 294-8125
Room 230
2110 UNIVERSITY BOULEVARD
NLAE
AMES, IA, 50011-3120


Publications (Clicking on the reprint icon Reprint Icon will take you to the publication reprint.)
Spatial Variation of Yield and Reflectance Patterns in Corn Fields Induced by Soil and Nitrogen Management - (Proceedings)
Hatfield, J.L., Engelhardt, B.E., Oesterreich, W., Swalla, A.A., Hart, G.F. 2004. Spatial variation of yield and reflectance patterns in corn fields induced by soil and nitrogen management [CD-ROM]. International Conference on Precision Agriculture Abstracts & Proceedings. St. Paul, Minnesota.
Spatial Variation of Yield and Reflectance Patterns in Corn Fields Induced by Soil and Nitrogen Management - (Abstract Only)
Hatfield, J.L., Hart, G., Engelhardt, B.E., Oesterreich, W., Swalla, A.A. 2004. Spatial variation of yield and reflectance patterns in corn fields induced by soil and nitrogen management [CD-ROM]. St. Paul, MN. International Conference on Precision Agriculture Abstracts & Proceedings.
Toxicity of Pesticides to Earthworms - (Abstract Only) - (23-Mar-99)
Impact of Freezing and Thawing on the Stability of Casts Produced by Earthworms - (Abstract Only) - (12-Jun-97)
Impact of Freezing and Thawing on the Stability of Casts Produced by Earthworms - (Proceedings) - (12-Jun-97)
Last Modified: 7/31/2014
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