可持续发展是２１世纪农业面临的主要课题。地处我国北方农牧交错带的阴山北麓丘陵旱作区，土地风蚀沙化严重，草场退化加剧，农业生产管理粗放，农产品产量低而不稳，农业生产条件恶劣，农业可持续发展面临的任务更加艰巨。１阴山北麓农业资源现状 阴山北麓丘陵旱作农业区西至 Sustainable development is the major issue facing agriculture in the 21st century. It is located in the hilly and hilly area in the north of Yinshan in the ecotone between agriculture and animal husbandry in the north of China. There is serious wind erosion and desertification, aggravated pasture degeneration, extensive agricultural production management, low and unsteady agricultural output, poor agricultural production conditions and tasks facing agricultural sustainable development More arduous. 1 Yinshan north of the status quo of agricultural resources Yinshan north foothills dry farming area west