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The results showed that the KefengNo. 4 yield was 16.7and 48.2 percent higher than that of other three varieties in yield, due to Kefeng No. 4 with resistance lodging and close planting;

试验结果统计分析表明：超高产品种克丰4号较其它三个品种具有明显的生物学特征特性，单株小麦的生物产量和粒重相对较低，但单位面积上群体的生物产量和粒重分别提高16.7%和48.2%。

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