吕梁地区西山的广大丘陵山区,采用大种柠条放牧林的办法改造天然牧坡,得到了保持水土、提高经济效益的显著效果。吕梁地区西部山区,大部分是童山秃岭,水土流失严重的黄土丘陵山区。前几年经过农业资源调查,共有天然牧坡760多万亩,其中除沿吕梁山脊的上顶山、云顶山赫赫岩几个天然牧场有几十万亩质量较高的 Luliang area Xishan vast hilly area, the use of large species of Caragana-grazing forests to transform the natural grazing slope, has been to maintain soil and water, improve economic efficiency of the remarkable effect. Luliang western mountainous areas, most of the Tongling bald, loess hills and mountains serious soil erosion. A few years ago after the investigation of agricultural resources, a total of more than 760 acres of natural grazing, in addition to along the Luliang ridge Shangding Mountain, Genting Hill Gehehe several natural grazing several hundred thousand acres of higher quality