Main grain crop has cassava, taro, corn, banana to wait.主要粮食作物有木薯 、 芋头 、 玉米 、 芭蕉等.LacksLoss of cassava crops couldly could lead to hunger, and.缺乏木薯作物可能导致饥饿.Callus was induced from explants of cassava stem with bud and sh...
塘坝子葛仙山碳酸盐岩外来体中各种岩溶形态十分丰富.Gexianshan carbonate allochthon is rich in various karst features.岩溶塌陷是岩溶发育地区所特有的灾害地质现象.Collapse is a typical geologic disaster in karst area.土壤是岩溶地区不易再生的最稀缺资源.Soil is the most scarce and non - r...