United States Department of Agriculture
AgResearch Magazine
Cattle at the ARS Grazinglands Research Laboratory in El Reno, Oklahoma. (Ann Marshall, D3854-1)
Aerial view of an LTAR field planted with wheat and canola. (Dennis Wallin, D3855-1)
At ARS’s Grazinglands Research Lab in El Reno, Oklahoma, technicians collect data from a rain gauge. (Ann Marshall, D3862-1)
At the ARS Grazinglands Research Laboratory in El Reno, Oklahoma, cows visit a system that measures their methane emissions. (Rick Todd, D3856-1)
In Oklahoma, Cobb Creek and its tributaries are part of a watershed ARS is studying to gauge the effects of agricultural conservation practices on water quality. (Sherwood Mcintyre, D575-1)
