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《Journal of Anhui Agricultural Sciences》 2009-31
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Study of Climatic Factors Impact on Wheat Yield in Liupanshui

ZHANG Yan-mei et al(Liupanshui Meteorological Bureau,Liupanshui,Guizhou 553001)  
The characteristics of climatic variation in Liupanshui and it's effects on wheat yield were analyzed based on daily mean temperature data,precipitation and wheat yield from 1970 to 2008 in Liupanshui.The results showed that the temperature during wheat growing season increased obviously but precipitation decreased in recent 39 years.The relative meteorological yield of wheat changed significantly in recently 39 years.Precipitatiion from February to April was the key factor of wheat yield.The main disasters were moderate or severe cold in the late spring and frought occurred in winter and spring.
【CateGory Index】: S512.1
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