Climatic Regionalization of Citrus in the Middle Subtropical Monsoon Wetness Areas of Eastern Guizhou Province
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Abstract:
Based on 34 stations data in Eastern Guizhou from 1981 to 2005, fifteen climatic factors, including the annual mean temperature, precipitation, sunshine hours, ≥10℃ accumulated temperature, extreme minimum temperature, ≥35℃ extreme maxi mum temperature days, January and July monthly mean temperature, accumulated tem perature and precipitation in midApril to midMay and midJuly to midNovem ber, April to October monthly precipitation, March to May and July to October su nshine hours, were analyzed with EOF to identify the index of climatic regionali zation. Four types of climatic areas for citrus in the middle subtropical monsoo n wetness of eastern Guizhou were studied by fuzzy assemble analysis. The region alized results provide a scientific basis for citrus planting in Guizhou and sou thwestern area of China.