Published online 3 January 2006
Published in J Environ Qual 35:172-182 (2006)
DOI: 10.2134/jeq2004.0418
© 2006 American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America
677 S. Segoe Rd., Madison, WI 53711 USA
Environmental and Production Consequences of Using Alum-Amended Poultry Litter as a Nutrient Source for Corn
Jason G. Warrena,*,
Steven B. Phillipsa,
Greg L. Mullinsb,
Dale Keaheya and
Chad J. Pennc
a Eastern Shore Agricultural Research and Extension Center, Virginia Polytechnic Institute and State University, 33446 Research Drive, Painter, VA 23420
b New Mexico State University, Department of Agronomy and Horticulture, Room 127N, Skeen Hall, Las Cruces, NM 88003
c USDA/ARS Pasture Systems and Watershed Management Research Unit, 3702 Curtain Road, University Park, PA 16802

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Fig. 1. The relationship between ear-leaf N content and grain yield for the N-based treatments at Painter, VA. *** Significant at the 0.001 probability level; NS, regression not significant.
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Fig. 2. Exchangeable soil Al as a function of soil pH in soils collected at Painter, VA, and Orange, VA, in the fall of 2002. *** Significant at the 0.001 probability level.
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Fig. 3. Relationship between the dissolved reactive phosphorus (DRP) found in runoff collected from two rainfall events conducted before treatment applications and Mehlich 1extractable soil phosphorus (M1-P). *** Significant at the 0.001 probability level.
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Copyright © 2006 by the American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America.