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群山深处的滦平县自1979年列入“三北”防护林工程体系建设以来,经过全县人民二十年的艰苦努力,到目前,完成人工造林107.1万亩,占规划面积的30.9%,栽植各种果树135万株,挖围山转1815万延长米,投工580万个,总投资673.9万元。共开发经济沟880条,全县基本形成了水源涵养林基地151.5万亩,并形成了仁用杏、板栗、苹果等基地,建成千亩以上工程42处,人均林果收入由1985年的33元增长到454元。林木覆盖率从31.2%提高到41%。水土流失面积由每年每平方公里2200吨减少到581.4吨,可减少流入滦河、潮河泥沙43.5吨,317.3亩的水土流失面积基本得到控制。
Luanping County in the depths of the mountains has been included in the “Three Norths” Shelterbelt Project since its establishment in 1979. After 20 years of arduous efforts by the people in the county, up to now, 107.1 million mu of afforestation has been completed, accounting for the planned area 30.9%, planting a variety of fruit trees 1.35 million, digging mountains 18.15 million extension of rice, 5.8 million in investment, a total investment of 6.793 million yuan. A total of 880 economic ditch were developed. The county basically formed 1.515 million mu of water conservation forest base and formed bases of apricots, chestnuts and apples. Forty-two projects of over 1,000 mu were built. The per capita income of forestry was increased from 33 in 1985 Yuan increased to 454 yuan. Forest coverage increased from 31.2% to 41%. The area of soil erosion will be reduced from 2,200 tons per square kilometer to 581.4 tons per year, which will reduce the inflow of 43.5 tons of sediment to the Luan River and Chaohe River. The area of soil and water loss of 317.3 mu will be basically controlled.