【摘要】 本文采用模糊数学中的相似优先选择比法,对中国不同耕作类型的31个产棉区与世界46个主产棉区的棉花生长期以及关键期间的气候条件,逐一进行相似分析,定量地作出我国31个产棉区引种国内外各棉区品种的区域可能性。更多还原

【Abstract】 The method of Fuzzy similar optimum selecting ratio was used to analyse the cotton climate similarity during cotton growing period and critical development stage,31 cotton producing re- gions in China and 46 cotton main producing regions in the world with various farming pat- terns.The quantitative possibility of cotton cultivar introduction between China cotton produc- ing regions and world major cotton producing regions are obtained.更多还原