Full TGIF Record # 11480
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Web URL(s):http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2494.1987.tb02123.x/epdf
    Last checked: 10/02/2015
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Publication Type:
Author(s):Blackshaw, R. P.; Newbold, J. W.
Author Affiliation:Dept. of Agricultural Zoology, The Queen's University; Dept. of Agriculture for Northern Ireland, Belfast and Department of Zoology, West of Scotland Agricultural College, Auchincruive, Ayr, UK.
Title:Interactions between Fertilizer Use and Leatherjacket Control in Grassland
Source:Grass and Forage Science. Vol. 42, No. 4, December 1987, p. 343-346.
Publishing Information:Oxford, Blackwell Scientific Publications
Keywords:TIC Keywords: Fertilizers; Tipulidae; Insect control; Nitrogen; Chlorpyrifos; Yield response functions; Yield response
Abstract/Contents:"A coordinated experiment was set up in eight fields of established grass; four in Northern Ireland and four in the West of Scotland. At each site one of three different fertilizer rates ( 0, 75 and 150 kg N ha-1) were applied to plots that had previously either received a 0-72 kg ha-1 chlorpyrifos treatment to control leatherjackets or no spray. Both fertilizer and insecticide applications increased herbage yields. Yield increases in response to chlorpyrifos treatments were equivalent to that obtained from 75 kg N but were not linearly related to leatherjacket numbers. A curvilinear function relating loss per leatherjacket to population size was derived and its validity is discussed. It is concluded that herbage yield increases resulting from chlorphrifos and nitrogen applications were independent and cumulative."
Geographic Terms:West of Scotland; Northern Ireland
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Blackshaw, R. P., and J. W. Newbold. 1987. Interactions between Fertilizer Use and Leatherjacket Control in Grassland. Grass Forage Sci. 42(4):p. 343-346.
Fastlink to access this record outside TGIF: https://tic.msu.edu/tgif/flink?recno=11480
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    Last checked: 10/02/2015
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    Access conditions: Item is within a limited-access website
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