]*>","")" /> The Impact of Irrigation Frequency on the Characters of Evapotranspiration and WUE Which Use Plastic Film under Drip Irrigation in Southern Xinjiang
Xinjiang Agricultural Sciences

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The Impact of Irrigation Frequency on the Characters of Evapotranspiration and WUE Which Use Plastic Film under Drip Irrigation in Southern Xinjiang

LIN Tao;GUO Ren-song;X(U) Hai-jiang;CUI Jian-ping;TANG Qiu-xiang;LIU Zhi-qing;TIAN Li-wen   

  • Received:2015-07-25 Revised:2015-07-25 Online:2015-07-25 Published:2015-07-25

滴灌频率对南疆棉田水分蒸散特征及WUE的影响

林涛;郭仁松;徐海江;崔建平;汤秋香;刘志清;田立文   

  1. 新疆农业科学院经济作物研究所,乌鲁木齐,830091;新疆农业大学农学院,乌鲁木齐,830052

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摘要： [目的]明确不同灌溉频率对南疆滴灌棉田耗水特征及水分利用效率的影响.[方法]在田间设置5个灌水频率(3、6、9、12和15 d/次),研究根区水分调节对南疆滴灌棉田蒸散量(耗水量)、蒸散组分、产量、WUE的影响.[结果]增加灌溉频率能降低苗蕾期的无效耗水比例和花铃期蒸散量,植株生长正常,产量、WUE等均增加.[结论]高频灌溉能降低无效耗水,提升WUE,增产效果显著.