Soil and Fertilization

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…sticky mass. Soils are organized into different classes based on their general characteristics. The main soil classification system that is used is based on the form, composition, and structure of the soil, and deals with more specific characteristics such as depth, color, form, structure, and composition of soil. Most soils have characteristic layers. The nature, number, thickness, and arrangement of these layers are also important in the classification and identification of different types of soils.