| 调控排水沟水位与利用地下水资源关系的初探 |
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| 引用本文： | 班乃荣,张永宏,徐永霞.调控排水沟水位与利用地下水资源关系的初探[J].灌溉排水学报,2008,27(2). |
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| 作者姓名： | 班乃荣 张永宏 徐永霞 |
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| 作者单位： | 1. 宁夏农林科学院,农业资源与环境研究所,银川,750002
2. 宁夏吴忠市农业局,宁夏,吴忠,751100 |
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| 摘 要： | 在自流灌溉区地下水位埋深大于3m的区域,采用排水沟上筑建地下水位调控闸调控沟水水位,能够调控农田地下水位的高度,使土壤毛细水管将地下水分补充到作物根系有效利用的土层,实现地下水资源的有效利用,达到节水的目的。把沟水位调控在2.5m左右时,土壤含水量最适宜农作物生长发育的需求,土壤肥力提高,土壤含盐较少,作物对地下水利用的效果最佳,节水量可达900m3/hm2。
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| 关 键 词： | 调控 沟水位 地下水 节水 |
The Relation of Regulative Drain Water Level with Groundwater Resources |
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| BAN Nai-rong,ZHANG Yong-hong,XU Yong-xia.The Relation of Regulative Drain Water Level with Groundwater Resources[J].Journal of Irrigation and Drainage,2008,27(2). |
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| Authors: | BAN Nai-rong ZHANG Yong-hong XU Yong-xia |
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| Institution: | BAN Nai-rong1,ZHANG Yong-hong1,XU Yong-xia2(1.Institute of Agriculture Resources , Environment Research,Ningxia Academy of Farming , Forestry Science,Yinchuan 750002,China,2.Ningxia Wuzhong Bureau of Agriculture,Wuzhong 751100,China) |
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| Abstract: | In the regions which the ground water level is bigger than 3 meters,the floodgates are constructed over ditches to regulate ditch water level and farmland ground water level.Through supplement the underground moisture content,crops root system can effective use soil capillarity water,and realize ground water resources effective use.When ditch water level is controlled to 2.5 meters,the soil moisture content is most suitable to crops growth and soil fertility enhancement.The crops can use the ground water be... |
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| Keywords: | regulation ditch water level groundwater saving water |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
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