This paper was presented to introduce the method atom which the drought index can be estimated based on precipitation and evapotranspiration. The drought index of each one of three ten-days around seeding tine of winter wheat was comprehensively comsidere
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張旭暉,黃毓華.江蘇省小麥播種期的干旱研究及應用.氣象科學,1999,(3): Zhang Xuhni, Huang Yuhua. THE STUDY AND APPLICATION OF DROUGHT INDEX DURING THE SEEDING TIME OF WINTER IN JIANGSU PROVINCE. Journal of the Meteorological Sciences,1999,(3):