Water and solutes go fast through the macropores in soil and pollute groundwater.Field and laboratory tests are needed to determine the macropore flow properties.

• 土壤中普遍存在的大孔隙使水及溶质快速穿过土壤，污染地下水，确定土壤大孔隙流性质需要大量的野外和室内实验。