Full TGIF Record # 232162
Item 1 of 1
DOI:10.1080/00103629009368226
Web URL(s):http://www.tandfonline.com/doi/pdf/10.1080/00103629009368226
    Last checked: 02/23/2018
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
    Notes: Guide page with abstract
Publication Type:
i
Report
Author(s):Murtagh, G. J.
Author Affiliation:North Coast Agricultural Institute, Wollongbar, N.S.W., Australia
Title:Variation in the supracritical nitrogen concentration of kikuyu grass
Source:Communications in Soil Science and Plant Analysis. Vol. 21, No. 3-4, 1990, p. 207-220.
# of Pages:14
Publishing Information:New York, New York: Marcel Dekker
Related Web URL:http://www.tandfonline.com/doi/abs/10.1080/00103629009368226
    Last checked: 11/06/2013
    Notes: Abstract only
Keywords:TIC Keywords: Nitrogen; Nitrogen fertilizers; Nutrient concentration; Pennisetum clandestinum
Abstract/Contents:"The N concentration was monitored in grazed pastures of kikuyu (Pennisetum clandestinum) where regular applications of nitrogen fertilizer removed any nitrogen deficiency for growth. The heavy fertilizer applications maintained supracritical N concentrations of 3.7-5.3% in the last fully-formed laminae. The concentration increased with increasing temperature or growth rate, but not with changing soil water content. Supracritical N concentrations will buffer the onset of a N deficiency, and the difference between the actual and critical N concentrations provides a quantitative measure of reserve N. Estimates of reserve N in a heavily fertilized pasture with a top yield of 2,000 kg DM/ha, ranged from zero to 32 kg N/ha. This is sufficient to supply N to an additional 0-914 kg DM/ha without diluting the average N concentration below the critical level."
Language:English
References:Unknown
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Murtagh, G. J. 1990. Variation in the supracritical nitrogen concentration of kikuyu grass. Commun. Soil. Sci. Plant Anal. 21(3-4):p. 207-220.
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DOI: 10.1080/00103629009368226
Web URL(s):
http://www.tandfonline.com/doi/pdf/10.1080/00103629009368226
    Last checked: 02/23/2018
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
    Notes: Guide page with abstract
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