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Gas chromatographic analysis of odors from dairy animal wastes /White, Richard K. January 1969 (has links)
Thesis (Ph. D.)--Ohio State University, 1969. / Includes bibliographical references (leaves 139-143). Available online via OhioLINK's ETD Center
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Two dairy waste handling systems : a comparison of nitrogen balancesHolbek, Niels Erik January 1978 (has links)
Two dairy farms on Vancouver Island, B.C., were studied to evaluate nitrogen behavior under different handling and storage conditions. The first farm (U.B.C.) spreads slurry collected daily on a year round basis, while the second (B.M.) stores its slurry in a concrete pit to land dispose under favourable conditions. Feed analysis, slurry sampling, pit profiles and soil profiles were included in the study. Results showed that the nitrogen content of the manure can be reasonably estimated from either feed nitrogen or milk production. Losses of nitrogen during collection and storage in these systems were minimal. / Land and Food Systems, Faculty of / Graduate
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Impact of Rabon (R) oral-larvicide on the seasonal abundance of insects in dairy cow manure in a semi-arid areaHurd, Mark Alan January 1977 (has links)
An intersive study of insect fauna in accumulated bovine manure was conducted from mid-Arpril through mid-October, 1975, on two dairy farms in the Mesa-Chandler area of south-central Arizona. Insect fauna was sampled by water flotation of manure, emergence trapping and resting fly counts. Musca domestica L. was the major noxious symbovine dipterous species collected. Tables of all predators, parasitoids, and scavenger groups collected are presented and seasonal abundance graphs for the primary inhabitants are included. In concert with the faunistic studies the effect of the feed additive insecticide stirofos (Rabon® oral-Larvicide, 2-chloro-1-(2,4,5-trichlorophenyl) vinyldimethyl phosphate) was evaluated. Reductions in fly population ranged from 27% to 87% depending upon the sampling method. Results of insecticidal activity on non-target groups are discussed and graphically depicted.
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Anaerobic digestion strategies for dairy manuresFrear, Craig. January 2009 (has links) (PDF)
Thesis (Ph. D.)--Washington State University, August 2009. / Title from PDF title page (viewed on July 31, 2009). "Department of Biological Systems Engineering." Includes bibliographical references.
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Aerobic digestion of farm animal wastesBizjak, Gerald John, January 1968 (has links)
Thesis (M.S.)--University of Wisconsin--Madison, 1968. / eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references.
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A soil sampling method to identify and rank critical manure management areasMotschall, Robert M. January 1983 (has links)
Thesis (Ph. D.)--University of Wisconsin--Madison, 1983. / Typescript. Vita. eContent provider-neutral record in process. Description based on print version record. Includes bibliographical references.
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The effects of high rates of dairy manure on soil fertility, crop growth, and water quality.Mosler, Seth Harris 01 January 1975 (has links) (PDF)
No description available.
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Gas chromatographic analysis of odors from dairy animal wastes /White, Richard K. January 1969 (has links)
No description available.
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Enhancement of swine waste digestion through ammonia and carbon dioxide removalCate, Charles A January 2011 (has links)
Digitized by Kansas Correctional Industries
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A preliminary study of a cattle waste lagoonLehner, Richard Allen, January 1900 (has links)
Thesis (M.S.)--University of Wisconsin--Madison, 1965. / eContent provider-neutral record in process. Description based on print version record. Bibliography: l. 45-49.
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