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棉 花 学 报 Cotton Science 2008，20(2)：158-封三
Screening of Cotton Varieties with High Potassium Efficiency at Seedling Stage Abstract：River sand pot experiment was conducted to study screening of the potassium high efficiency among 47 cotton varieties. The result indicated that there were great difference among cotton varieties in the low potassium ability, cutivars 602, Xinluzao 6, Xinluzhong 15, Xinhai 16, JiaoMian, 18-3, and Xinhai 13 had higher K utilization efficiency, stronger K absorption ability, and higher K utilization index in low K level; while cutivars ShiK 7, Xinluzao 10 and Xinhai 14 had lower K efficiency , fewer K absorption ability and lower K utilization index in low K level.
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