本文对天山北坡箭杆杨成林农田防护林带进行了灌溉量试验研究。根据试验结果计算出其净灌溉需水量，确定了本区域新的灌溉制度并对农田防护林建设的发展方向进行了论述。 In this paper, the experimental research on the irrigation amount of farmland shelterbelt in Yangchenglin of the north slope of Tianshan Mountains was carried out. According to the test results, the net irrigation water demand was calculated, the new irrigation system in this area was determined, and the development of farmland shelterbelts was discussed.