排灌机械工程学报
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排灌机械工程学报  2018, Vol. 36 Issue (4): 347-353    DOI: 10.3969/j.issn.1674-8530.17.0103
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膜下滴灌盐碱地排水工程控盐效果试验研究
阿尔娜古丽·艾买提1,2, 刘洪光1,2*, 何新林1,2, 李明思1,2, 龚萍1,2
1.石河子大学水利建筑工程学院, 新疆 石河子 832000; 2.石河子大学现代节水灌溉兵团重点实验室, 新疆 石河子 832000
Experimental study on salt controlling effect in drainage system in saline-alkali land with drip irrigation under mulch
A ERNAGULI·Aimaiti1,2, LIU Hongguang1,2*, HE Xinlin1,2, LI Mingsi1,2, GONG Ping1,2
1.College of Water Conservancy & Architectural Engineering, Shihezi Uniwersity, Shihezi, Xinjiang 832000, China; 2.Key Laboratory of Modern Water-Saving Irrigation of Xinjiang Production & Construction Group, Shihezi Uniwersity, Shihezi, Xinjiang 832000, China
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摘要 针对新疆玛纳斯河流域下野地灌区土壤盐渍化问题,以试验区已有的支排和农沟为基础,增加暗管排水工程,形成暗管和明沟相结合的排水系统,并对试验区膜下滴灌与明沟及暗管排水工程相结合的农田灌排模式控盐效果进行试验研究.设置距明沟(暗管)8,16,24 m处为取样点,于2012—2014年不同季节在试验区对地下水位、土壤剖面(0~200 cm)盐分进行监测,对土壤总盐含量进行分析,结果表明:暗管及明沟均能有效降低地下水位,明沟和暗管可将地下水位分别控制在1.6~2.2,1.5~2.2 m;2014年相比2012年,0~200 cm土层深度,暗管取样点处(8,16,24 m)土壤总盐含量分别下降42.99%,36.84%,24.41%;根系层(0~80 cm)土壤总盐含量分别下降50.34%,40.70%,30.76%;明沟取样点处(8,16,24 m)0~200 cm深度土壤总盐含量分别下降46.85%,38.12%,30.80%;根系层(0~80 cm)土壤总盐含量分别下降54.88%,43.39%,33.21%.研究可为干旱、半干旱灌区有效治理盐碱地提供理论依据和技术参考.
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阿尔娜古丽·艾买提
刘洪光
*
何新林
李明思
龚萍
关键词盐碱地   明沟排水   暗管排水   排水工程设计   土壤盐分     
Abstract: In order to control the soil salinization,a series of tests were carried out on a piece of saline-alkali land in Xiayedi irrigation district of Manasi in Xinjiang, where the subsurface drainage was arranged based on the existing rows and farm ditchs. The salt controlling effect in the drainage system combined with the subsurface drainage and the ditch drainage in the saline-alkali land with drip irrigation under mulch was studied experimentally. Set the sampling points at 8 m,16 m,and 24 m from the ditch drainage and the subsurface drainage respectively. The underground water table and soil salinity at depths of 0-200 cm were observed, during the different seasons of 2012-2014. The results show that both the subsurface drainage and the ditch drainage can control the underground water table. ranging from 1.6m to 2.2 m in the ditch draining area and ranging from 1.5m to 2.2m in the subsurface drainage area. Compared with the year 2012, soil total salt at each sampling point at depths of 0-200 cm in the subsurface drainage area decreased by 42.99%,36.84% and 24.41% in 2014. At the root layer, soil total salt at each sampling point decreased by 50.34%,40.70% and 30.76%.For the ditch drainage, soil total salt at each sampling point at depths of 0-200 cm decreased by 46.85%,38.12% and 30.80%. At the root layer, soil total salt at each sampling point decreased by 54.88%,43.39% and 33.21%. This study provides a reference for saline-alkali land management in arid and semi-arid areas.
Key wordssaline-alkali land   ditch drainage   subsurface drainage   drainage engineering design   soil salinity   
收稿日期: 2017-05-08;
基金资助:国家自然科学基金资助项目(51669029,U1403183,41361071);国家“十三五”重点研发计划项目(2016YFC0501402,2016YFC0501406)
引用本文:   
阿尔娜古丽·艾买提,,刘洪光等. 膜下滴灌盐碱地排水工程控盐效果试验研究[J]. 排灌机械工程学报, 2018, 36(4): 347-353.
A 尔Na-Gu-Li-·Ai-Mai-Ti-,,LIU Hong-Guang- et al. Experimental study on salt controlling effect in drainage system in saline-alkali land with drip irrigation under mulch[J]. Journal of Drainage and Irrigation Machinery Engin, 2018, 36(4): 347-353.
 
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