Full TGIF Record # 200833
Item 1 of 1
DOI:10.1111/j.1365-2494_|n_Pending_DOI_Completion
Web URL(s):n
    Last checked: 03/30/2012
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Publication Type:
i
Refereed
Author(s):Hunt, I. V.; Frame, J.; Harkess, W.
Author Affiliation:West of Scotland Agricultural College, Auchincruive, Ayr, Scotland
Title:Interactions between first and second applications of fertilizer nitrogen and implications in efficiency of nitrogen use
Source:Grass and Forage Science. Vol. 30, No. 2, June 1975, p. 177-182.
# of Pages:6
Publishing Information:[Oxford, England, United Kingdom]: Blackwell Publishing Ltd.
Related Web URL:http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2494.1975.tb01372.x/abstract
    Last checked: 03/30/2012
    Notes: Abastract Only
Keywords:TIC Keywords: Dry weight; Fertilization; Lolium perenne; Nitrogen uptake; Chemical properties of soil; Nitrogen; Yield
Abstract/Contents:"DM yield and N uptake data are presented from primary growth and two successive regrowths of perennial ryegrass treated with combinations of three N treatments for the primary growth viz. 0, 50 and 100 kg N/ha (PN) and four N treatments applied for the second growths, viz. 0, 33, 66 and 100 kg N/ha (SN). Primary growth gave a response of 24·2 kg DM/kg applied N to PN50 with only a further l^D+~0 kg DM/kg applied N from the second PN increment. A significant interaction between PN and SN treatments was shown in second growth. The residual DM response to PN was highest at SN0 and reduced as the level of SN was raised. Substantially greater residual responses to PN treatments were shown in the third growth. Third growth DM responses to SN treatments were high. High apparent recovery of fertilizer N reached 111% of primary N where SN66 followed PN50. High available soil N is partly responsible for both high apparent recovery of N and high DM response. The latter appears to be associated with inclusion of growths given no fertilizer N so that the full residual effects of fertilizer N and priming of available soil N can be realised."
Language:English
References:11
Note:Tables
Graphs
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Hunt, I. V., J. Frame, and W. Harkess. 1975. Interactions between first and second applications of fertilizer nitrogen and implications in efficiency of nitrogen use. Grass Forage Sci. 30(2):p. 177-182.
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DOI: 10.1111/j.1365-2494_|n_Pending_DOI_Completion
Web URL(s):
n
    Last checked: 03/30/2012
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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