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Nutrient Fate and Transport Associated with Poultry Litter Stock Piles

Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.org

Citation:  Paper number  032251,  2003 ASAE Annual Meeting . (doi: 10.13031/2013.13819) @2003
Authors:   Dr. Gary K. Felton, Dr. Lewis E. Carr, Mr. Mathew J. Habersack
Keywords:   Poultry Litter, Storage, Nutrient Loss, Water Quality

The effects of poultry litter stockpiles on nutrient availability and movement were evaluated for the major poultry producing regions in Maryland. The effect of covering stockpiles with tarps was compared to uncovered piles. An upland Coastal Plain soil and a lowland Coastal Plain soil were used. Surface runoff was captured and nutrient analysis was done. Subsurface flow was sampled for nutrient content. In runoff water, covering piles resulted in a 9% reduction in nitrate on a sandy soil, but had no advantage on a silty clay loam. Orthophosphate concentrations were reduced by a factor of 47 on the sandy loam soil but were again unaffected on the silt clay loam soil. Uniformly, covering plots reduced the nitrate concentration in soil water beneath the plots, regardless of soil type.

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