乌盟后山地区,即内蒙古高原北部,紧靠蒙古高压中心南沿,冬春受西北季风控制,风速大,风期长,广大农耕地自从垦种以来就受风害,最为严重的是害风造成大面积耕地细土大量飞失和堆积,土壤沙化,使百万亩耕地近于不宜耕种的地步。乌盟盟委总结当地群众营 The mountainous area of ​​Umwong, the northern part of Inner Mongolia Plateau, is close to the south edge of Mongolia High Pressure Center. The winter and spring are controlled by the northwest monsoon. The wind speed is large and the wind period is long. Since the reclamation, the broad area of ​​cultivated land has suffered the most damage Wind caused a large area of ​​arable land a large number of flyover and accumulation, soil desertification, so that one million mu of cultivated land near the point of not being cultivated. Uyghur League summary of the local mass battalion