J. Mark Powell

USDA-ARS
US Dairy Forage Researc Center
1925 Linden Drive West
Madison, WI
USA 53706
Email: mark.powell@ars.usda.gov

Papers:
9:30 AM, Long Beach Convention Center, Room 202B, Second Floor 96-6 Dairy Cattle Rations Impact Manure N Chemistry and N Transformations in the Environment.