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Volatilization of nitrogen-containing compounds from beef cattle areas

Journal Article · · Soil Sci. Soc. Am., Proc.; (United States)
The release of NH/sub 3/ plus steam-distillable organic N compounds to the atmosphere from a small beef feedlot and a pasture was measured. Acid traps placed next to the feedlot and 0.8 km from the feedlot averaged 148 and 16 kg/ha per yr NH/sub 3/ plus steam-distillable organic N compounds, respectively. The same traps averaged 21 and 3.3 kg/ha per yr, respectively, of organic n compounds that were not recovered by the 3-min steam distillation proceedure. Feedlot disturbances, such as manure mounding, increased volatilization of N compounds. Ammonia plus steam-distillable organic N compounds trapped near a cattle pasture and cropland averaged 15 and 11 kg/ha per yr, respectively. Organic N compounds not recoverable by the 3-min steam distillation were very low in the areas. Normally, steam distillation values represent only NH/sub 3/; however, in this case, other N-containing compounds were distilled over and titrated as NH/sub 3/.
OSTI ID:
6543490
Journal Information:
Soil Sci. Soc. Am., Proc.; (United States), Journal Name: Soil Sci. Soc. Am., Proc.; (United States) Vol. 35; ISSN SSSAA
Country of Publication:
United States
Language:
English