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对渗灌的优缺点以及国内外研究应用现状进展进行了概述,提出了解决渗灌技术问题(防堵措施)的方法。以喷灌作为比较,分析了渗灌技术经济效益,并对渗灌在干旱半干旱地区的应用前景进行了分析。结果表明:我国目前渗灌技术及其应用水平状况尚处于初级阶段且与发达国家差距很大;渗灌比其他灌溉方式有最省灌溉水,有利于作物生长与增产，水分利用效率高,能耗低等优点;渗灌最大的缺陷是管道容易堵塞,虽然有防堵管道,但造价高,目前只能用于蔬菜和果树等经济作物;与移动式喷灌比较,渗灌虽然一次性投入较大,但在同等折旧年限下,渗灌的净效益更高,比喷灌多10.9%,是更经济合理的灌溉方式;渗灌在保护地栽培、荒漠化治理、盐碱地改良、城镇绿化等领域有广阔的应用前景。
The advantages and disadvantages of seepage irrigation and the status quo of research and application at home and abroad are summarized, and a solution to the technical problem of seepage irrigation (anti-blocking measures) is put forward. Taking sprinkler irrigation as a comparison, the economic benefit of seepage irrigation technology was analyzed, and the application prospects of seepage irrigation in arid and semi-arid areas were analyzed. The results show that the current status of infiltration irrigation technology and its application in our country is still in the initial stage and there is a big gap between it and developed countries. The infiltration irrigation has the most irrigation water than other irrigation modes, which is good for crop growth and yield increase, high water use efficiency, Low consumption and other advantages. The biggest defect of seepage irrigation is that the pipeline is easy to block. Although it has anti-blocking pipeline, it has high cost and can only be used for cash crops such as vegetables and fruit trees at present. Compared with mobile irrigation, However, under the same depreciation age, the net benefit of seepage irrigation is even higher, which is 10.9% more than that of sprinkler irrigation. This is a more economical and reasonable method of irrigation. Seepage irrigation is broad in such fields as protected cultivation, desertification control, saline-alkali soil improvement and urban greening The application prospects.