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Adjusting nitrogen to phosphorus ratios in liquid dairy manure through nitrification and chemical phosphorus removal to match crop fertilizer requirements
Published by the American Society of Agricultural and Biological Engineers, St. Joseph, Michigan www.asabe.orgCitation: 2007 ASAE Annual Meeting 074048.(doi:10.13031/2013.23244)
Authors: Jo A DeBusk, Jactone Arogo Ogejo, Nancy G Love, Katharine F Knowlton
Keywords: Dairy manure, nitrification, intermittent aeration, nitrogen, phosphorus
The objectives of this study are to (1) develop a cost effective treatment strategy to conserve nitrogen (N) in liquid dairy manure by determining the minimum aeration to non-aeration ratios required to conserve N in the manure, and (2) evaluate the suitability of using chemicals to reduce phosphorus (P) concentrations in liquid dairy manure treated as in objective (1) to achieve suitable N:P ratios for crop production.(Download PDF) (Export to EndNotes)