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OLS Field Name OLS Field Data
Main Title Metrics for nitrate contamination of ground water at CAFO land application sites : Iowa swine study /
Author Hatfield, Jerry L. ; J. L. Hatfield
CORP Author National Soil Tilth Lab., Ames, IA.; National Risk Management Research Lab., Ada, OK.
Publisher U.S. Environmental Protection Agency, Office of Reseach and Development, National Risk Management Research Laboratory,
Year Published 2009
Report Number EPA 600/R-09/045
Stock Number PB2010-103480
OCLC Number 645788471
Subjects Nitrates--Environmental aspects--Iowa. ; Groundwater--Pollution--Iowa. ; Animal feeding--Environmental aspects--Iowa.
Additional Subjects Ground water ; Nitrate contamination ; Metrics ; Iowa Swine Study ; Row crop operation ; Swine production ; Swine waste ; Swine manure effluent ; Concentrated animal feeding operations (CAFO)
Library Call Number Additional Info Location Last
EMBD  EPA 600/R-09/045 NRMRL/GWERD Library/Ada,OK 03/26/2012
NTIS  PB2010-103480 Most EPA libraries have a fiche copy filed under the call number shown. Check with individual libraries about paper copy. 09/22/2010
Collation ix, 14 p. : ill. col. map. ; 28 cm.
Abstract A study was conducted for one year (2006) on a swine-row crop farm in central Iowa. The row crop operation consisted primarily of corn (Zea mays L.) -soybean (Glycine max (L.) Merr.) rotation. Swine production consisted of growing-finishing operation of 4,200 head. Swine waste was stored in pits for up to a year before being applied. Land application consisted of injecting the effluent into a slit approximately 20 cm below the soils surface. Eight plots (10 x 10 m) were established. Two plots were in a field in which swine manure effluent was applied in the fall to supply a corn crops N requirement (approximately 150 kg N ha-1). Four plots were in a field in which swine manure effluent was applied in the spring to supply approximately 100 kg N ha-1 with the additional crop N (50 kg ha-1) being supplied post-planting as sidedressed fertilizer. The last two plots were in a soybean field; one received swine effluent application in 2005 and the other did not. Soil core samples (0-15, 15-30, 30-45, 45-60, and 60-120 cm depths) were taken in May (planting time) and October (after harvesting). Soil samples from the top 22.5 cm were also collected biweekly throughout the growing season. These samples were analyzed for soluble components (nitrate, ammonium, SRP, pH, and EC), as well as exchangeable ammonium and Mehlich III extractable P. Plant samples were also collected and analyzed for biomass and N content.
Notes "June 2009." "EPA 600/R 09/045." Includes bibliographical references (p. 13-14).
Place Published Ada, Okla
Supplementary Notes Sponsored by National Risk Management Research Lab., Ada, OK.
Availability Notes Order this product from NTIS by: phone at 1-800-553-NTIS (U.S. customers); (703)605-6000 (other countries); fax at (703)605-6900; and email at orders@ntis.gov. NTIS is located at 5301 Shawnee Road, Alexandria, VA, 22312, USA.
Corporate Au Added Ent National Risk Management Research Laboratory (U.S.)
Alternate Title Iowa swine study\ Concentrated animal feeding operation land application sites
PUB Date Free Form Jun 2009
Category Codes 68D; 48B; 57H; 57Y; 98C
NTIS Prices PC A03/MF A03
BIB Level m
Cataloging Source OCLC/T
LCCN 2009438809
Control Number 109200500
OCLC Time Stamp 20120323125431
Language eng
Origin OCLC
OCLC Rec Leader 01307cam 22003495a 45020