Chapter 9: Soil 

Soil science is the study of soil as a natural resource on the surface of the Earth including soil formation, classification and mapping; physical, chemical, biological, and fertility properties of soils; and these properties in relation to the use and management of soils.

Soil teeming with life

Soil is teemed with life.” The statement states that the soil contains different types of living organisms that help in sustaining life. Soil comprises millions and billions of living organisms that form a complex ecosystem and is the most precious resource to humans