新乐县现有果树六万余亩,由于当地条件多沙滩,水肥渗漏严重,虽然都可灌溉,但费工、费水、费能源,且树势生长弱,产量低。为解决这一问题,1985年在省昌黎果研所专家的帮助下,于木树乡中同果园,对150亩苹果和150亩梨树进行滴灌试验(实际270亩),按设计要求每行树一条支管 Xinle County, more than 60,000 acres of existing fruit trees, due to the multi-beach local conditions, water and fertilizer leakage serious, although irrigation, but the labor, water, energy costs, and the growth of tree potential weak, low yield. In order to solve this problem, in 1985, with the help of experts from Changli Fruit Research Institute, drip irrigation test (actual 270 mu) on 150 mu apple trees and 150 mu pear trees was conducted in the same orchard in Mushu Township. According to the design requirements, each row Tree a branch