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双翼薄壁软管微灌技术（二）农业部规划设计研究院（１０００２６）沈雪民张学军三、安装步骤一般灌水小区面积一亩地左右时，可使用Φ２５的微灌带（孔距３００毫米）和Φ４０主管（配水管），Φ２５毫米的微灌带单根最大使用长度为５０米。安装通常应在覆盖地膜和作物定...
Two thin-walled tube micro-irrigation technology (two) Ministry of Agriculture Planning and Design Institute (100026) Shen Xuemin Zhang Xuejun Third, the installation steps Generally irrigated plot area of about 1 mu, you can use Φ25 micro-tape (hole pitch 300 mm) Φ40 competent (distribution pipe), Φ25 mm micro-irrigation with a single root maximum length of 50 meters. Installation should usually be covered in plastic film and crop ...