金沙滩巨变的启示□孙淑贞赵向阳山西省榆社县是晋中地区最贫困的县，社城镇又是该县最贫困的乡镇之一。贫困的根源在于一方土不能养一方人。全镇８０％的土地是“天雨不存，灌水漏尽”的“金沙滩”。遇上好年景，平展展的土地也才能产出２２５０ｋｇ／ｈｍ２的粮食。“种... Implications for the Great Change of Golden Beach Sun Shuzhen Zhao Xiangyang Yushe County, Shanxi Province is the poorest county in the Jinzhong region. Shecheng Town is one of the poorest towns in the county. The root cause of poverty is that one side can not support one side. The town 80% of the land is “Golden Sand Beach” “rain does not exist, run out of water”. Encounter a good year, flat exhibition of land can produce 2,250 kg / hm2 of food. "Kind ...