]*>","")" /> Study on the Rule of Transporting and Moving of Soil Moisture under Film Drip Irrigation of Xinjiang Cotton Field

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Study on the Rule of Transporting and Moving of Soil Moisture under Film Drip Irrigation of Xinjiang Cotton Field

ZHU You-juan;ZHENG De-ming;JING Yi-juan   

  • Received:2007-05-25 Revised:2007-05-25 Online:2007-05-25 Published:2007-05-25

新疆棉田膜下滴灌方式下土壤水分运移变化规律研究

朱友娟;郑德明;姜益娟   

  1. 塔里木大学植物科技学院,新疆阿拉尔,843300

摘要: 为探讨新疆棉田膜下滴灌方式下土壤水分运移的规律,在棉花不同生育期,采用烘干法,从水平方向和垂直方向上测定棉田土壤水分含量.结果表明,棉花不同生育期垂直方向上土壤含水量的变化随着土层深度的增加均呈增大的趋势;水平方向上土壤含水量的变化,除在0~35 cm各土层之间变化外,35~95 cm各土层之间基本上无明显波动变化;不同土层土壤含水量的变化随棉花生育进程,呈由苗期增长至盛花期后、下降至盛铃期又上升至吐絮期的规律,不同土层土壤含水量基本上呈直线增长的变化趋势.