Before revision: Soil has five important functions: as a medium for plant growth as a means of water storage, supply, and purification as a modifier of Earth's atmosphere as a habitat for organisms All of these functions, in their turn, modify the soil and its properties.
After revision: Soil has four important functions: as a medium for plant growth as a means of water storage, supply, and purification as a modifier of Earth's atmosphere as a habitat for organisms All of these functions, in their turn, modify the soil and its properties.