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| Variation characteristics for agricultural climate resources ofWuhua county in 53 years |
| Wan Bimei,Zhong Meiying,Wei Weiliang |
| Wuhua Meteorological Bureau,Wuhua 514400 |
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Abstract According to the data of temperature,sunshine,rainfall and frost in Wuhua meteorological observation station from 1957 to 2009,the variation for agricultural climate resources in recent 53 years is comprehensively analyzed.The analysis indicates that the temperature shows fluctuated upward trend with obvious winter warming among the seasons.The precipitation presents unobvious downward trend.The trend of sunshine hours,first frost days,last frost days and frost-free period shows decreasing,slight later,slight earlier and increasing respectively with change trend rate of -21.527 h/10 a,0.723 d/10 a,3.105 d/10 a and 2.821 d/10 a.
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Received: 01 March 2012
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2013, Vol. 30 
