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| | The study objective and technical decision and planning principle have been presented by the com- prehensive evaluation of farmland ecological system of the developing area. A feasible technical model for spreading the comprehensive water-saving of the midium and lower yield field and water shortage area has been provided by adopting the technical system of combination measures of water conservancy and agriculture for water-saving and the combination manner of water collecting, conveyance transfer and alloc... | | 通过对开发区农田生态系统的综合论证,提出研究目标、技术决策和规划原则,采用水利、农业相结合的节水技术体系,运用汇水、输水、调水、配水相结合的方式,联合调用地表、地下水资源,提高水的利用率,为中低产贫水区大面积推广综合节水灌溉提供可行的技术模式。 | | 文摘来源 | | Aiming at each stage of rice irrigation, the advanced rice irrigation methods are summarized and analyzed. The optimal model of comprehensive water saving rice irrigation technique is established. According to the actual situation of Hunan Province, a mathematical model of determining efficiency of irrigation area is established. A new water saving rice irrigation system is suggested. | | 针对水稻灌溉全过程的每一环节 ,总结、分析当今国内外水稻灌溉先进技术 ,提出了水稻综合节水灌溉技术优选模型 ,并结合湖南省的具体情况 ,建立了现状条件下灌区渠系水利用系数测算的理论模型 ,研究提出了一种新的水稻节水灌溉制度——“控灌中蓄” | | 文摘来源 | |   |
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