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1 现状目前,漯河市采取的节水灌溉形式主要有四种:低压管灌、半固定喷灌、固定喷灌和滴灌。四种灌溉形式在全市各个区域均有分布,工程效益发挥差异较大。1.1 管灌工程采用的是地埋塑料硬管,地面留有铁制或塑料给水口。全市从1990年至今共发展733.3hm~2,目前,能运用的还有近400hm~2,主要分布在临颍县,占全市管灌总面积的80%,郾城县和舞阳县也有少量分布,约占全市的20%。现已停用或报废的节灌面积占工程设计总面积的30%左右,损坏程度不尽
1 Present situation Currently, Luohe City, the form of water-saving irrigation are mainly four: low pressure pipe irrigation, semi-fixed sprinkler irrigation, fixed sprinkler irrigation and drip irrigation. Four kinds of irrigation patterns are distributed in all regions of the city, and the difference in engineering benefits is relatively large. 1.1 pipe irrigation project is buried plastic pipe, the ground left iron or plastic water supply. The whole city has been developing 733.3hm ~ 2 since 1990. At present, nearly 400hm ~ 2 can be utilized, mainly in Linying County, accounting for 80% of the total area of pipe irrigation in the city, with a small distribution in Yuncheng County and Wuyang County , Accounting for about 20% of the city. The area of irrigation and irrigation has been discontinued or scrapped account for about 30% of the total area of the project design, the extent of damage is not endless