伟大领袖毛主席在《农业合作化高潮》一书按语中,亲手批示的水土保持典型——阳高县大泉山大队,在二十年治山治水中,不但绿化了七座荒山,治理了二十七条沟壑,控制水土流失面积两千八百亩,占山、沟、坡、梁总面积的百分之七十九,营造成片林一千三百余亩,实现了粮食人均过“黄河”,林、猪双上“纲”,而且在改造低产林,油松更替小叶杨,干石山上栽油松方面又走出了新路。 During the 20 years of governing the mountains and rivers, the great leader Chairman Mao, as the typical example of soil and water conservation that was personally commended in his book “The Tide of Agricultural Cooperation,” not only afforested seven barren hills and ruled twenty Seven ravines and control of soil erosion area of ​​2,800 mu, accounting for 79% of the total area of ​​the mountain, ditch, slope and beam, to create a piece of forest more than 1,300 acres, to achieve the food per capita over the “Yellow River ”, Lin, pig double on the“ Gang ”, but also in the transformation of low-yielding forests, pine instead Populus euphratica, dry stone hill pine planted another out of the new road.