J. Mark Powell

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

Papers:
9:15 AM, Duke Energy Convention Center, Room 208, Level 2 117-4 Dietary Tannin and Crude Protein Impact Dairy N Excretion and Ammonia Emissions From Barns Floors and Manure-Amended Soils.