我国农业节水工程技术探讨.pdfVIP

第3期 总第177期 农业科技与装备 ‘ No．3 Total No．177 2008年6月 Agricultural ScienceTechnology and Equipment Jun．2008 — — — — 我国农业节水工程技术探讨 陈金霞 ，李 艳 (1．辽宁省农机质量监督管理站，沈阳 110034；2．沈阳市东陵区沈抚污水灌区管理所，沈阳 110006) 摘要：农业工程节水技术是我国乃至国际上为高效利用农业水资源所采取的最广泛、最有效的技术措施。通过对地上灌溉工程技 术、地面灌溉工程技术和地下灌溉工程技术进行深入分析，为各地采取合适的节水工程技术、提高水资源的总体利用效率、实现真 正全方位节水提供了有益的参考。 关键词：农业工程；节水工程技术；喷灌；微灌；渠道防渗；免耕 中图分类号：$275；$274 文献标志码：A 文章编号：1674—1161(2008)03—0074—02 Discussion on the Water Saving Engineering Technology in China CHEN Jinxia1．LI Yan0 (1．Liaoning Quality Supervision and Management Station of Agricultural Machinery，Shenyang 1 10034，China； 2．Shenyang Dongling Administration of Shenyang—fushun Sewage Water Irrigation District，Shenyang 1 10006，China) Abstract：Water-saving engineering technology is the most effective measure widely used in the high efficiency utilization of Wa— ter resource in China and even the whole world．The paper put forward beneficial references for increasing the utilizati0n of Wa— ter resource．the adoption of proper water saving engineering in various areas as well the realization of omnidirectional water sav— ing through the deep analysis of the aboveground irrigation，surface irrigation and subsurface irrigation engineering technologies ． Key words：agricultural engineering；water saving engineering technology；sprinkler irrigation；micrn——irrigation；canal seepage con—— twl；no—ti／／age 长期以来，我国粗放的灌溉方式，导致农业用水 灌溉水利用系数达0．9以上，比明渠输水省水30％～ 浪费现象严重，农田灌溉用水的利用率仅为45％左