Fig. 4. Volatile fatty acid (VFA) concentration at distances downwind of the (A) 12000- and (B) 25000-head feedlots measured over two-day sampling periods (different symbols) at fixed tower locations.
Fig. 4. Volatile fatty acid (VFA) concentration at distances downwind of the (A) 12000- and (B) 25000-head feedlots measured over two-day sampling periods (different symbols) at fixed tower locations.