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一、问题的提出吕梁地区西山九县地处黄土高原东部边沿地带,大部属黄土丘陵沟壑区第一副区。其自然特点是:山高坡陡,沟深地瘦,梁峁起伏,沟壑纵横,光山秃岭,植被稀少,十年九旱,水土流失十分严重,是黄河中游地区的粗沙多沙区之一。建国以来,在党和人民政府的领导和大力支持下,广大群众积极开展水土保持工作,在建设基本农田方面已取得了显著成绩。但生产条件仍未从根本上得到改善,粮食产量还低而不稳,当地群众的
First, the issue put forward Luliang County Xishan nine counties are located in the eastern edge of the Loess Plateau, most of the loess hilly and gully area first deputy district. Its natural features are: steep mountain slopes, deep furrows, undulating beams, ravines, Guang Shan bald ridge, scarce vegetation, ten years of drought, soil erosion is very serious, is the middle reaches of the Yellow River in the sand one of the Dousha . Since the founding of the People’s Republic of China, with the leadership and vigorous support of the party and the people’s government, the broad masses have actively carried out soil and water conservation work and remarkable achievements have been made in building basic farmland. However, the conditions of production have not yet been fundamentally improved, the output of grain is still low and unstable, and the mass of local people