This article throws light upon the five categories of organisms found in soil. The categories are: 1. Animalia 2. Protista 3. Plantae 4. Fungi 5. Monera. Soil Microorganism: Category # 1. Animalia: The large animal life-Animalia (Previously macro-faunae)-that inhabit the soil range in size from large burrowing animals, such as badgers to tiny arachnids mites. a. Burrowing Animals: Large animals [...]
This article throws light upon the top five techniques used to obtain pure cultures of organism. The techniques are: 1. Direct Transfer Technique 2. Single-Cell Isolation Technique 3. Streak-Plate Technique 4. Dilution Technique 5. Pour-Plate Technique. 1. Direct Transfer Technique: Sometimes bacteria, yeasts, and molds may be found in pure culture under natural condition. The transfer of such cultures can [...]
After reading this article you will learn about the physiology and biochemistry of organisms present in soil. Soils are nature's integrators; they form on the surface of the earth where the cycles of matter and the transfer of energy all meet. Soils interact reciprocally with the biosphere, hydrosphere, lithosphere and atmosphere (Fig. 18.46) Only in soils do all four fundamental [...]