最后建立了各地棉花气候产量预报模式，具有一定的实用价值。
At last, the prediction model of climate yield of local cotton is established, which has surely value.
采用灰色关联分析法，研究了气候因子对棉花产量和纤维品级的影响。
The grey relational method was applied to study the effects of climatic elements on cotton yield and fiber grade.
采用灰色关联分析法，研究了气候因子对棉花产量和纤维品级的影响。
The grey relational method was applied to study the effects of climatic elements on cotton yield and fiber grade.
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