The wheat growing area in central shaanxi was divided into three climatic zones based on the data of climatic factors and the disease severity for 20 years by using progressive discriminatory analysis 利用20余年的气候资料和病情数据，以逐步判别分析法将关中麦区各县(市)划分为三大气候区。
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Abstract : the wheat growing area in central shaanxi was divided into three climatic zones based on the data of climatic factors and the disease severity for 20 years by using progressive discriminatory analysis 文摘:利用20余年的气候资料和病情数据，以逐步判别分析法将关中麦区各县(市)划分为三大气候区。
