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Influence of Brackish Water Irrigation on Growth and Yield of Winter Wheat in Saline Soil
Author(s): 
Pages: 26-28
Year: Issue:  5
Journal: WATER SAVING IRRIGATION

Keyword:  盐渍土小麦微咸水灌溉;
Abstract: 河北省黑龙港地区储有相对丰富的浅层地下微咸水.为合理开发微咸水资源,研究了不同灌水(灌水期、灌水量和水质)对冬小麦生长发育和产量的影响.结果表明:咸淡轮灌与灌淡水相比,早期干物质积累慢,LAI低,但后期积累养分能顺利转移到穗部,灌浆速度较快,也能获得高产.冬后关键期灌水,咸淡轮灌比灌淡水处理LAI较低,但茎叶干物质积累量较多的转移到籽粒中,灌浆速度快,两者籽粒产量无显著差异.关键期灌水的籽粒产量略低于充足灌水处理,而水分利用率较高.在此基础上,施肥处理的LAI、灌浆速度和籽粒产量显著大于不施肥处理.
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