Hygroscopic water is an unavailable water for plants.
查看答案
Applying biotechnology to save water is an important way to improve water use efficiency.
The final stable infiltration rate: clay ( ) sandy soil.
A. >
For a certain soil, its unsaturated water conductivity is one constant.
The matrix potential of water saturated soil is ______ , and the pressure potential of unsaturated soil is ______ .