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| DOI: | 10.1111/j.1365-2494_|n_Pending_DOI_Completion |
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| Web URL(s): | n
Last checked: 03/30/2012
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| Publication Type:
| Refereed |
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| Author(s): | Hunt, I. V.;
Frame, J.;
Harkess, W. |
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| Author Affiliation: | West of Scotland Agricultural College, Auchincruive, Ayr, Scotland |
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| Title: | Interactions between first and second applications of fertilizer nitrogen and implications in efficiency of nitrogen use |
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| Source: | Grass and Forage Science. Vol. 30, No. 2, June 1975, p. 177-182. |
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| Publishing Information: | [Oxford, England, United Kingdom]: Blackwell Publishing Ltd. |
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| # of Pages: | 6 |
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| 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 |
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| Keywords: | TIC Keywords: Dry weight; Fertilization; Lolium perenne; Nitrogen uptake; Chemical properties of soil; Nitrogen; Yield
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| 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." |
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| Language: | English |
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| References: | 11 |
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| Note: | Tables
Graphs |
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| 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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MSU catalog number: b4886304 |
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