Integrating Agricultural Water-saving Technologies in Hetao Irrigation District

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Integrating Agricultural Water-saving Technologies in Hetao Irrigation District
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                        BAI Gang-shuanBAI Gang-shuan
Institute of Soil and Water Conservation, Northwest A & F University, Yangling, Shaanxi 712100, China;Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources, Yangling, Shaanxi 712100, China
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ZHANG RuiZHANG Rui
College of Forestry, Northwest A & F University, Yangling, Shaanxi 712100, China
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GENG Gui-junGENG Gui-jun
Institute of Soil and Water Conservation, Chinese Academy of Sciences and Ministry of Water Resources, Yangling, Shaanxi 712100, China
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REN Zhi-hongREN Zhi-hong
Institute of Inner Mongolia Hydraulic Research, Huhhot, Inner Mongolia 010020, China
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ZHANG Pei-qiZHANG Pei-qi
Institute of Inner Mongolia Hydraulic Research, Huhhot, Inner Mongolia 010020, China
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SHI Ji-gangSHI Ji-gang
Institute of Inner Mongolia Hydraulic Research, Huhhot, Inner Mongolia 010020, China
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Affiliation:ZHANG Hong-ming1,YANG Qin-ke2,LI Rui3,LIU Qing-rui1,WANG Chun-mei3,DU Zhi-qian4(1.College of Informodion Enginering,Northwest A & F University,Yangling,Shannxi 712100,China,2.Department of Urbanology and Resource Science,Northwest University,Xi'an,Shaanxi 710069,3.Institute of Soil and Water Conservation,CAS & MWR,Shaanxi 712100,4.China Xi'an Human Resources,Shannxi 710061,China)
Clc Number:TP302.1
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Abstract:

Hetao irrigation district is the largest single gravity irrigation district in China and even Asia.At present,the main problems of field irrigation in Hetao irrigation district are lack of water source,irrigation structure aging,low engineering standards,slow promotion of water-saving irrigation techniques,serious waste of irrigation water and others.To solve these problems,Hetao irrigation district should take account of some integrated technologies,such as engineering,agricultural,chemical,and management water saving,etc.Engineering water saving should start from channel lining,laser land leveling,small plot irrigation and others.At the same time,water-saving irrigation should be promoted actively and the groundwater should be use rationally.Agricultural water saving should focus on cultivation planning,agronomic water saving,deep plowing,straw returning,and surface evaporation reduction.Chemical water saving could be active promotion and application of drought-resistant reagents,super absorbent polymers,and other chemical regulation agents.Management water saving could include water manage-ment strengthening,system improving,and establishment of water user associations.

Key words:Hetao irrigation district;field irrigation;water-saving technology;intergration model

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白岗栓,张蕊,耿桂俊,任志宏,张沛琪,史吉刚.河套灌区农业节水技术集成研究[J].水土保持通报英文版,2011,(1):149-154

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Received:May 20,2010
Revised:August 03,2010
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Online: October 25,2012
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