Full TGIF Record # 112664
Item 1 of 1
DOI:10.1081/CSS-120024781
Web URL(s):http://www.informaworld.com/smpp/ftinterface~content=a713624168~fulltext=713240930
    Last checked: 07/19/2006
    Requires: PDF Reader
http://www.informaworld.com/smpp/ftinterface~content=a713624168~fulltext=713240928
    Last checked: 07/19/2006
Publication Type:
i
Report
Author(s):Overman, A. R.; Scholtz, R. V. III
Author Affiliation:Agricultural and Biological Engineering Department, University of Florida, Gainesville, Florida
Title:Model analysis of crabgrass response to applied nitrogen
Source:Communications in Soil Science and Plant Analysis. Vol. 34, No. 17/18, October 2003, p. 2495-2501.
# of Pages:7
Publishing Information:New York, NY: Marcel Dekker
Related Web URL:http://www.tandfonline.com/doi/abs/10.1081/CSS-120024781#.VCsW5_ldXh4
    Last checked: 09/30/2014
    Notes: Abstract only
Keywords:TIC Keywords: Digitaria sanguinalis; Models; Nitrogen; Application rates; Growth; Nitrogen uptake
Abstract/Contents:"The extended logistic model of crop response to applied nutrients provides quantitative coupling of seasonal dry matter (Y), plant N uptake (Nu), and plant N concentration (Nc) with applied nutrient (N). It predicts a hyperbolic relationship between Y and Nc with Nu. Analysis of data from numerous studies has confirmed the model. In this article the model was applied to data for crabgrass (Digitaria sanguinalis) grown at Ardmore, OK. Results showed that single applications of nitrogen provided greater yields and plant N uptake over split applications. The difference was accounted for in the linear parameters for yield (A) and for plant N uptake (An). Applied N required to achieve 50% of maximum yield was 57 kg ha-1 and for 50% of maximum plant N uptake was 110 kg ha-1."
Language:English
References:6
Note:Tables
Graphs
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Overman, A. R., and R. V. III Scholtz. 2003. Model analysis of crabgrass response to applied nitrogen. Commun. Soil. Sci. Plant Anal. 34(17/18):p. 2495-2501.
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DOI: 10.1081/CSS-120024781
Web URL(s):
http://www.informaworld.com/smpp/ftinterface~content=a713624168~fulltext=713240930
    Last checked: 07/19/2006
    Requires: PDF Reader
http://www.informaworld.com/smpp/ftinterface~content=a713624168~fulltext=713240928
    Last checked: 07/19/2006
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MSU catalog number: S 590 .C54
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