Before revision: Kinds of soil and their variables Some soil variables of special interest to agricultural soil science are : Soil texture or soil composition: Soils are composed of solid particles of various sizes.
After revision: Kinds of soil and their variables Some soil variables of special interest to agricultural soil science are The soil texture determines the aeration, drainage, fertility, and porosity of the soil Soil texture or soil composition: Soils are composed of solid particles of various sizes.