Taking the karst area of Zhongliang mountain as a case study,the authors discussed the impact of landuse and season cover on karst processes based on the data of field standard limestone tablet,moisture,porosity,pH,and organic matter content of soils.The results showed that there was appreciable difference in average dissolution rates of limestone tablets.They were from the highest to lowest as follows: wood land,grass land,vegetable land,tilled land.The dissolution rate of wood land was the highest one,whi...