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咸水膜下滴灌对棉花品质和产量的影响
Authors
杨从会
王立洪
胡顺军
Publication date
20 October 2010
Publisher
Abstract
在相同灌溉水量条件下,以不同比例混合塔里木盆地干旱区矿化度为3.56g/L的地下咸水和矿化度为0.4g/L的地表淡水,设置6种处理,采用膜下滴灌技术充分灌溉新陆早13号棉花,探求土壤水盐的动态变化规律和咸水灌溉对棉花品质与产量的影响。结果表明:在整个灌溉期,不同咸水灌溉0~20cm表层土壤的含盐量变化最大,0~50cm次之,0~100cm最小;非灌水期土壤含盐量随着体积含水量的减少而增加,灌水期土壤含盐量随着灌水量和灌水次数的增加而显著减少;咸水灌溉虽然使单株铃数减少、棉花减产,但对棉花衣分和单铃重没有影响
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Institutional Repository of Xinjiang Institute of Ecology and Geography, CAS
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Last time updated on 29/11/2016