Abstract

Wei Yu Xiao

Soil microbiology, the name itself defines the study of microorganisms in the soil. Healthy soils are chock-full of living organisms, Soils are excellent culture media for the growth of many kinds of microorganisms a single teaspoon of soil contains over 1,000,000,000 microorganisms Some organisms are visible to the naked eye, like mites, springtails, earthworms, and beetles. The majority of soil-dwellers are very small. And also important to soil fertility.