A field experiment was conducted to study effects of root pruning at returning green stage on population structure, soil water and yield formation of winter wheat.

通过田间试验研究了返青期不同程度根修剪处理对冬小麦群体结构、土壤水分及产量形成的影响。

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A field experiment was conducted to study effects of root pruning at returning green stage on population structure, soil water and yield formation of winter wheat.

通过盆栽试验研究了根修剪对冬小麦根系效率、水分利用及产量形成的影响。

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The results show that mowing and burning can respectively advance the date of returning green stage for 44 and 28 days, and fertilizing in autumn can prolong the green stage for 13 days.

结果表明，刈剪和火烧分别使结缕草草坪提前返青44天和28天，秋季施肥可延长绿期13天。

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