Fig. 3. Diurnal variability in ammonia concentration and wind speed recorded 200 m downwind of a feedlot using an open-path laser on (A) 16 June at the 25000-head feedlot and (B) 28 June at the 12000-head feedlot.
Fig. 3. Diurnal variability in ammonia concentration and wind speed recorded 200 m downwind of a feedlot using an open-path laser on (A) 16 June at the 25000-head feedlot and (B) 28 June at the 12000-head feedlot.