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西山地区,西临黄河,东倚吕梁山,为一由东北向西南方向的狭长地带,长630余公里。包括雁北地区的左云、右玉、平鲁三县;忻县地区的河曲、保德、偏关、神池、五寨、岢岚、宁武、静乐八县;太原市的娄烦县;吕梁地区的兴县、岚县、临县、方山、离石、中阳、交口、柳林、石楼九县;临汾地区的隰县、吉县、蒲县、永和、汾西、大宁、乡宁七县,共五地(市)的28个县,(?)西山地区,总面积7067万亩,286.41万人,人均土地25亩多。这个地区总的特点是:地广人稀,风沙干旱,植被稀少,水土流失严重,导致土壤瘠薄,农业产量低而不稳。本区属于大陆性气候,年降水量由北向南350—500毫米,无霜期120—180天,西
Xishan area, west of the Yellow River, east Lvliangshan, a northeast to the southwest of the narrow strip, 630 km long. Including the three counties in Zuoyun, Youyu and Pinglu in Yanbei area; eight counties in Hequ, Xintai, Baode, Shenchi, Wuzhai, Langlan, Ningwu and Jingle in Xinxian County; Loufan County in Taiyuan ; Luliang Prefecture Xing County, Lan County, Linxian County, Fangshan, Lishi, Zhongyang, intersection, Liulin, Shilou nine counties; Linfen area Pixian, Jixian, Puxian, Yonghe, Fenxi, large Ning County, Ning County, a total of five prefectures (cities) of the 28 counties, (?) Xishan area, with a total area of 7067 mu, 2864100 people, more than 25 acres of land per capita. The general characteristics of this area are: vast and sparsely populated, windy and droughts, scarce vegetation and serious soil erosion, resulting in infertile soil and low and unstable agricultural output. The area belongs to the continental climate, the annual precipitation from north to south 350-500 mm, frost-free period 120-180 days, west