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5. Weather Variability and Its Impact on Agricultural Crops and Weeds

Weather Variability and Its Impact on Agricultural Crops and Weeds

来源 :第三届世界生态高峰会(Eco Summit 2007) | 被引量 : 0次 | 上传用户：vicky1924

【作 者】

：

MUHAMMAD AZIM KHAN 

【机 构】

：

Department of Weed Science,NWFP Agricultural University Peshawar-25130,Pakistan

【出 处】

：

第三届世界生态高峰会(Eco Summit 2007)

【发表日期】

：

2007年12期

【关键词】

：

climatic change wheat yield Silybum growth weed competition seed rate 

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