Different tip pruning times have certain regulation effect on yield and fiber quality of cotton.
表明打顶时间对棉花产量和棉纤维品质具有一定的调节效应。
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 influence of different tip pruning times on yield and fiber quality was studied with the island cotton Xinhai16.
以海岛棉新海 16号为材料 ，研究了不同打 顶 期对产量和纤维品质的影响。
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