一、基本情况海原县位于宁夏中部干旱带,属黄土丘陵沟壑区,属典型的大型季风气候,干旱少雨,风大沙多,蒸发强烈,具有春暖迟、夏热短、秋凉早、冬寒长的特点。2003年,该县在库区育红柳苗并造林3000亩,现长势良好,为以后治理该县20 First, the basic situation Haiyuan County is located in the central Ningxia arid zone, is a loess hilly and gully region, is a typical large-scale monsoon climate, drought, wind and more sand, strong evaporation, with a late spring, summer heat short, cool early autumn, winter long Features. In 2003, the county nursery red seedlings and afforestation in the reservoir area 3000 mus, is in good shape for the future governance of the county 20