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乾安县大师公社大师大队从52年开始造林,56年实现农田林网化。到81年造林保存面积达5,700亩。栽植了樟子松、柞树、柽柳、文冠果、杨、柳、榆等50多种针阔叶树。四旁零星植树77,800棵,森林复盖率为22％。人均千株树,户均一垧林。植树造林、锁住了风沙、调解了气候、改变了环境,促进了农业的发展。使大师走上了一条康庄富裕的道路,自然面貌与人的精神面貌都发生了深刻变化。高大的树木,纵横交错的林网,改变了农田小气侯。据测定,防护林降低风速30—50％,
Gan’an County Master Commune Master Brigade from 52 years of afforestation, 56 years to achieve farmland network. By 81 years afforestation preserved area of 5,700 acres. Planting Pinus sylvestris, oak tree, Tamarisk, Wen Guan fruit, Yang, Liu, Elm and other 50 kinds of coniferous and deciduous trees. 77,800 scattered trees planted around the forest coverage rate of 22%. One thousand trees per capita, households are a uniform forest. Afforestation, lock the wind and sand, mediating the climate, changing the environment, and promote the development of agriculture. So that the master embarked on a rich and affluent road, the natural outlook and the spirit of the people have undergone profound changes. Tall trees, criss-crossed forest network, changing the farmland. It is determined that the shelter forest to reduce wind speed 30-50%