用耐压较低的塑料管、强化布塑管或简易橡胶管等将压力较低的水从水源输送到田间,然后进行地面灌溉,称之为低压管道田间输水。与土渠输水比较,其输水效率可达95%,减少输水损失90%以上。输水所需压力低,一般为0.02MPa～0.20MPa,节能50%以上。由于田间不开毛渠,可节约土地1%～3%? Use low pressure plastic pipe, plastic pipe or plastic pipe to strengthen the lower pressure water from the water supply to the field, and then ground irrigation, called low-pressure pipeline field water. Compared with the canal water transport, the water delivery efficiency up to 95%, reducing water loss of 90% or more. Water pressure required for low, generally 0.02MPa ~ 0.20MPa, energy saving more than 50%. As the field does not open the canal, can save 1% to 3% of the land?