| 旱地冬小麦水分亏缺补偿效应研究 |
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| 引用本文： | 夏国军,阎耀礼,程水明,高松洁,罗毅. 旱地冬小麦水分亏缺补偿效应研究[J]. 干旱地区农业研究, 2001, 19(1): 79-82 |
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| 作者姓名： | 夏国军 阎耀礼 程水明 高松洁 罗毅 |
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| 作者单位： | 国家小麦工程技术研究中心，河南 郑州 450002 |
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| 基金项目： | 河南省科委科技攻关项目(971030103) |
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| 摘 要： | 1994年～1997年，从有限供水节水角度对冬小麦需水关键期水分亏缺补偿效应进行了研究。结果表明，拔节期为冬小麦需水关键期，此时灌水可增产1878kg/hm^2，增产幅度为42.96%；不同的灌水量未引起小麦产量的显著差异，显示有限补偿供水的高效性；有限补偿供水和一定的农艺措施相结合可实现作物的大幅度增产，每毫米供水的边际产量达20.30kg/hm^2～26.23kg/hm^2。此结果可作为制定高效经济节水方案的参考。
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| 关 键 词： | 旱地 冬小麦 水分亏缺 补偿效应 |
| 文章编号： | 1000-7601(2001)01- 0079-04 |
| 修稿时间： | 2000-03-01 |
Research on compensatory effects to water deficits on dryland winter wheat |
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| XIA Guo-jun. Research on compensatory effects to water deficits on dryland winter wheat[J]. Agricultural Research in the Arid Areas, 2001, 19(1): 79-82 |
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| Authors: | XIA Guo-jun |
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| Abstract: | The field experiments of the compensatory effects by limited water sup ply at critical stage for water requirement in dryland winter wheat were conduct ed from 1994 to 1997. The results indicated that the compensatory effects of lim ited water supply were very significant. In the meanwhile, higher yields of winter wheat could be achieved by combining limited water supply and some agricu ltural management. Research results provided the related technical and theoretic al bases for making better economic plans of economizing water. |
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