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The effect of a short‐persistence systemic insecticide on the yield of perennial ryegrass

 

作者: I. F. HENDERSON,   R. O. CLEMENTS,  

 

期刊: Grass and Forage Science  （WILEY Available online 1976）
卷期: Volume 31, issue 1  

页码: 15-17

 

ISSN:0142-5242

 

年代: 1976

 

DOI:10.1111/j.1365-2494.1976.tb01109.x

 

出版商: Blackwell Publishing Ltd

 

数据来源: WILEY

 

摘要:

AbstractThe insecticide dimethoate was applied to a sward of S23 perennial ryegrass over a period of 2 years at three dose rates and at five frequencies of application. Annual DM yield was increased by up to 5% in the first year and by up to 17% in the second. The value of the additional yield is compared with the cost of obtaining it.

 

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