Jactone Arogo

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Ammonia emissions from swine feeding operations depend on the housing type; animal size, age, and type; manure management, storage, and treatment; climatic variables; and manure utilization or land application techniques. Techniques or methods for estimating or quantifying NH3 flux from a source to the atmosphere include nitrogen mass balance,(More)
P.M. Ndegwa , A.N. Hristov, J. Arogo, R.E. Sheffield Biological Systems Engineering, Washington State University, PO Box 646120, Pullman, WA 99164, USA Dairy and Animal Science Department, Pennsylvania State University, University Park, PA 16802, USA Biological Systems Engineering, Virginia Tech. 212 Seitz Hall, Blacksburg, VA 24061, USA Biological and(More)
Aerial ammonia concentrations (Cg) are measured using acid scrubbers, filter packs, denuders, or optical methods. Using Cg and wind speed or airflow rate, ammonia emission rate or flux can be directly estimated using enclosures or micrometeorological methods. Using nitrogen (N) recovery is not recommended, mainly because the different gaseous N components(More)
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