||Evaluating swine drylot runoff impact on a coastal plain stream
Barker, James C. ;
Humenik, Frank J. ;
Overcash, Michael R. ;
Tedder, Steve W.
||North Carolina State Univ. at Raleigh. Dept. of Biological and Agricultural Engineering. ;North Carolina Dept. of Natural Resources and Community Development, Raleigh.;Robert S. Kerr Environmental Research Lab., Ada, OK.
||Robert S. Kerr Environmental Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency ;
||EPA 600/2-83/079; EPA-R-804608
Agricultural wastes ;
Water pollution ;
Rainfall intensity ;
Environmental impacts ;
Field Tests ;
||Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy.
||xii, 89 p. : ill. ; 28 cm.
The objectives of this study were to establish sampling methodologies for intensive monitoring of the environmental impact of animal feedlot runoff on in-stream water quality and to determine changes in stream water quality as a result of rainfall runoff from swine drylots on deep sands. The drylot studied annually markets approximately 4000 hogs on dirt lots with deep sandy soils and typifies physical and management factors common to Coastal Plain Swine production. Field results indicated that approximately 2% of the nutrient and organic load of the defecated swine wastes were transported from the sandy drylot surface in rainfall runoff. The constituent levels of this lot runoff were further reduced 20-to-fold by swamp and vegetative buffer filtering action prior to stream input.
Final report. "September 1983." Grant no. R-804608. "EPA-600/2-83-079." "PB83-263699."--Cover. Bibliography: p. 42-43.