Full TGIF Record # 85415
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Web URL(s):http://www.jswconline.org/content/57/6/499.full.pdf+html
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http://www.jswconline.org/content/57/6/499.full.pdf
    Last checked: 08/13/2013
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Publication Type:
i
Professional
Author(s):van Es, Harold M.; Czymmek, Karl J.; Ketterings, Quirine M.
Author Affiliation:Department of Crop and Soil Sciences, Cornell University, Ithaca, New York
Title:Management effects on nitrogen leaching and guidelines for a nitrogen leaching index in New York
Section:Research: Special section
Other records with the "Research: Special section" Section
Source:Journal of Soil and Water Conservation. Vol. 57, No. 6, November/December 2002, p. 499-504.
Publishing Information:Ankeny, IA: Soil and Water Conservation Society
# of Pages:6
Related Web URL:http://www.jswconline.org/content/57/6/499.abstract
    Last checked: 08/13/2013
    Notes: Abstract only
Keywords:TIC Keywords: Leaching; Nitrogen; Fertilization; Fertilization rates; Zea mays; Dactylis glomerata; Nitrogen fertilizers; Manures; Indices; Best management practices
Abstract/Contents:Management practices may affect the potential for nitrate leaching from agricultural systems. Two studies are discussed that used plot-sized lysimeters on loamy sand and clay loam soil in Northern New York. One was conducted from 1991 to 1994 and involved sod plowing and the use of three rates of fertilizer on maize (Zea mays L.). The other study was conducted from 1997 to 2000 and quantified N-leaching losses under maize and orchardgrass (Dactylis glomerata L.) as affected by the timing of manure application. These studies showed that timing and rate of N fertilizer and manure additions, timing of green-manure incorporation, and soil type strongly influenced N-leaching losses. Losses from fall-applied N sources were high, especially on coarse-textured soils. Lower N losses in fine-textured soils were primarily the result of higher denitrification losses, rather than reduced percolation rates. It was concluded that the current N Leaching Index ignores important processes and requires a more dynamic approach that includes management factors. In the interim, we established a set of best management practices for N to reduce the potential for N leaching losses."
Language:English
References:45
Note:Figures
Tables
Graphs
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
van Es, H. M., K. J. Czymmek, and Q. M. Ketterings. 2002. Management effects on nitrogen leaching and guidelines for a nitrogen leaching index in New York. J. Soil Water Conserv. 57(6):p. 499-504.
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Web URL(s):
http://www.jswconline.org/content/57/6/499.full.pdf+html
    Last checked: 10/01/2008
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
http://www.jswconline.org/content/57/6/499.full.pdf
    Last checked: 08/13/2013
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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MSU catalog number: S 622 .J65
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