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United States Department of Agriculture

Agricultural Research Service

Title: Phosphorus Distribution in Dairy Manures

item He, Zhongqi
item Griffin, Timothy
item Honeycutt, Charles

Submitted to: Journal of Environmental Quality
Publication Type: Peer Reviewed Journal
Publication Acceptance Date: December 18, 2003
Publication Date: July 15, 2004
Citation: He, Z., Griffin, T.S., Honeycutt, C.W. 2004. Phosphorus distribution in dairy manures. Journal of Environmental Quality. 33:1528-1534

Interpretive Summary: Phosphorus (P) exists in animal manure in various forms. In this study, we investigated the distribution of P forms in 13 dairy manures obtained from different sources and their relationships with total manure P. Although the amounts of various P forms were different in these manures, relationships of some P forms with total manure P were observed. For instance, water-extractable inorganic P, the major inorganic P component, and phytate-like P, the major enzymatic hydrolysable organic P, were both positively correlated to total manure P. Findings in this study could enhance our understanding of manure P chemistry, providing insight into improving management of manure P.

Technical Abstract:

Last Modified: 4/17/2015
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