| 宁夏引黄灌区土壤盐渍化现状与改良 |
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| 引用本文： | 黄建成,陈国栋,李鹏.宁夏引黄灌区土壤盐渍化现状与改良[J].水土保持研究,2008(6). |
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| 作者姓名： | 黄建成 陈国栋 李鹏 |
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| 作者单位： | 宁夏农林科学院资源与环境研究所;宁夏中宁县水务局;宁夏惠农渠管理处; |
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| 基金项目： | 宁夏回族自治区专项基金 |
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| 摘 要： | 引黄灌区总面积64.23万hm2,盐渍化相对面积39.72%,自流灌区48.92%。20年来,土壤盐渍化发展趋势是总体稳定局部加重。其主要原因是渠道砌护率低,灌排设施老化失修,新垦耕地面积增大,城镇建设和工业化占用非盐渍化耕地面积增大,因管理欠科学,局部地段科学轮作制度受扰及高位扬黄灌区对自流灌区浸渍危害。相应的治理措施是加强渠道砌护及沟道坍塌治理,加速新垦盐荒地的沃土建设,在节水前提下提高灌溉管理水平,在高位扬水灌区与低位自流灌区间建设防浸沟。
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| 关 键 词： | 宁夏 土壤盐渍化 现状与改良 |
Present Situation and Improvement of Soil Salinity in Directly Yellow-Irrigated Areas of Ningxia |
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| HUANG Jian-cheng,CHEN Guo-dong,LI Peng.Present Situation and Improvement of Soil Salinity in Directly Yellow-Irrigated Areas of Ningxia[J].Research of Soil and Water Conservation,2008(6). |
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| Authors: | HUANG Jian-cheng CHEN Guo-dong LI Peng |
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| Institution: | HUANG Jian-cheng1,CHEN Guo-dong2,LI Peng3(1.Institute of Resource , Environment of Agricu1ture , Forestry,Yinchuan 75002,China,2.Water Bureau of Zhongning County,Zhongning,Ningxia 751200,3.Administrtive Department of Hui Nong Channel,Yinchuan 750001,China) |
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| Abstract: | |
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| Keywords: | Ningxia soil salinity present situation and improvement |
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