Nitrogen Enrichment of Surface Water by Absorption of Ammonia Volatilized from Cattle Feedlots

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Science  24 Oct 1969:
Vol. 166, Issue 3904, pp. 514-515
DOI: 10.1126/science.166.3904.514


Apparatus designed to measure absorption of ammonia from the air by aqueous surfaces was installed near several cattle feedlots and in appropriate control areas. Ammonia absorption rates measured near feedlots were as much as 20 times greater than near the control. Their magnitudes indicate that absorption of ammonia volatilized from cattle feedlots contributes significantly to the nitrogen enrichment of surface water in the vicinity of feedlots.

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