一、虚实并存耕作理论虚实并存耕作就是土壤耕作中耕松与免耕相结合所创造的一种独特耕作法。虚是指耕松后疏松的土壤 ,实是指免耕数年后形成的紧实土壤。当虚、实部的孔隙度差值达 10 %以上 ,二者在一定距离内并列存在时 ,会改变土壤水、热、养分通常的垂直运移规律 ,出现侧向 First, the actual situation of coexistence of tillable reality Coexistence of tillable reality is the soil cultivation of tillage and no tillage created by a unique farming method. Deficiency refers to the slack loose soil, it refers to the tillage soil formed after no-tillage several years. When the difference between the porosity of real and imaginary parts is more than 10%, both of them exist side by side within a certain distance and change the normal vertical migration law of soil water, heat and nutrients,