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Effects of irrigation methods on cucumber growth,yield and water use efficiency.
Authors
杜社妮
梁银丽
白岗栓
Publication date
1 January 2010
Publisher
Abstract
以黄瓜为试验材料,研究常规沟灌、滴灌、交替沟灌和固定沟灌4种灌溉方式对日光温室内黄瓜生长、产量及水分利用效率的影响.结果表明:4种灌溉方式对黄瓜株高、茎粗、叶片数和叶面积的影响不同;黄瓜前期产量是交替沟灌>滴灌>常规沟灌>固定沟灌,中期和后期产量是滴灌>交替沟灌>固定沟灌>常规沟灌,总产量的变化与中期和后期产量的变化相同;滴灌和交替沟灌的黄瓜根系活力无显著差异,但二者的根系活力极显著地高于常规沟灌和固定沟灌;水分利用效率和水分产出率的变化趋势一致,滴灌最高,交替沟灌次之,常规沟灌最低,而耗水量的变化与水分利用效率和水分产出率的变化相反.说明日光温室内黄瓜适宜的灌溉方式为滴灌和交替沟灌
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Institute of Soil and Water Conservation,Chinese Academy of Sciences and Ministry of Water Resources
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Last time updated on 21/09/2018