宁夏中部干旱带生态建设与农业开发的结合点是发展草地农业

GRASSLAND AGRICULTURAL SYSTEM ARE THE TACHE FOR ENVIRONMENTAL MANAGEMENT AND AGRICULTURAL EXPLOITATION IN THE DROUGHT OF MIDDLE NINGXIA

宁夏中部干旱带位于黄土高原的北部边缘 ,降水量仅 30 0mm左右 ,水土流失严重 ,荒漠化面积占该区土地总面积的 70 %以上 ,经济发展落后 ,全自治区贫困人口的一半集中在这里。如何把生态建设搞上去并与农业开发相结合 ,从根本上解决干旱带的“三农”问题 ,科学试验证明 ,建立土地—植物—动物—生物产品“四位一体”的农牧业产品的物质生产体系 。

The drought region of middle Ningxia locates the edge of north Loess Plateau. There is only about 300mm for rainfall and serious soil and water loss. Area of desertification is over 70 percent for the total area and economical development is lag. How to resolve the questions of combination for environmental management and agricultural exploitation and about 'three agriculture' in this region where about half popultion of Ningxia reside in. The authors propose that it is an essential way to develop grassland agricultural system contains four productions system that is 'land-plant-animal-biologic produciton.