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A low cost drip irrigation system suitabal for peasant households of China
Author(s): 
Pages: 35-36
Year: Issue:  4
Journal: WATER SAVING IRRIGATION

Keyword:  水管理滴灌低成本发展中国家;
Abstract: 在缺水地区,滴灌是节约用水的最有效途径,但其成本对发展中国家的小农户来说难以承受.通过以下方法可使滴灌成本降低90%:(1)使滴灌管道可以移动,这样每条滴管可灌到10行而不是1行.(2)用热针冲压出0.70mm的孔.(3)用价值3美元带有滤布的20L容器,取代昂贵的过滤系统.这种低成本系统已在尼泊尔山区和印度的安德哈拉*普拉德什桑树种植地进行了现场试验,其滴头流量的均匀度达73%~84%.这种低成本滴灌系统可能为半干旱地区以及山区的小农户广泛采用.
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