【摘要】 黄土高原丘陵沟壑区生态农业建设的目标是调和自然和人类的关系 ,不合理的土地利用是导致土壤侵蚀的主要因素 ,控制严重的土壤侵蚀并改善提高当地人民的生活水平 ,合理利用土地资源调整土地利用结构是建设秀美山川的根本出路更多还原

【Abstract】 The idea of ecological agriculture on loess hilly region is cooperation of nature and human being. Soil erosion is main factor that limits the development of ecological agriculture. Now controlling serious soil erosion is most important thing for China northern economy safety. Reasonable land utilization is main method for constructing beautiful landscape in northwestern region of China.更多还原