一、崩山的危害花岗岩崩山是我国长江以南地区很普遍的土壤侵蚀类型,给当地农业生产带来了很大危害;山坡上的肥沃土壤流失严重,花岗岩风化壳裸露出来,地形破碎,给土地利用带来了困难;石英沙粒和合亚铁很多的酸性黄泥水冲到山下稻田中,结果就无法再继续栽种水稻;泥沙输入河川、道路和水利工 First, the collapse of the dangers of granite collapse granite is a very common type of soil erosion south of the Yangtze River in China, to the local agricultural production has brought great harm; serious loss of fertile soil on the hillside, granite weathering crust exposed, terrain broken, to the land The use of bring difficulties; quartz sand and ferrous a lot of acid yellow muddy water rushed into the mountain rice fields, the result can no longer continue to planted rice; sediment into rivers, roads and water conservancy