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地处蛮汉山区、海拔1,850米的凉城县三庆乡兰家窑行政村的草芨背流域,过去是“种地不打粮,栽树全死光”。党的十一届三中全会后的1982年,该村针对草芨背流域阴坡地多,土层厚的特点,试种落叶松获得成功。他们在植树时,按照林木的生物学特性对造林地进行科学规划。高山顶上种草,山腰栽落叶松,山底种农田,进行了沟、坡、地综合治理。1982年以来栽种落叶松5,400亩,由于栽树时严
Located in the Hanhan area, 1,850 meters above sea level Liangcheng County Sanqing Township Lanjiayao administrative village of the hilly area, in the past is “farming is not food, planted all dead.” After the Third Plenary Session of the Eleventh Central Committee of the Communist Party of China in 1982, the village larch succeeded in experimenting with larch trees in view of the characteristics of many shady slopes and thick soil layers in the hilly area of the hilly Loess Plateau. When they plant trees, they scientifically plan the afforestation areas according to the biological characteristics of the trees. The top of the mountain grass, hillside planted larch, mountain farmland, conducted ditch, slope, and comprehensive management. Larch 5,400 acres planted since 1982, due to strict tree planting