In this article we will discuss about the nitrogen cycle with the help of diagram. Nitrogen forms the main bulk of the atmosphere (78%) as well as the biological systems. Various nitrogenous compounds, e.g., proteins, enzymes, chlorophylls, nucleic acids, etc. play vital roles in the life processes of organisms. The atmospheric nitrogen is chemically inert and is not directly taken [...]
The following points highlight the eight important microorganisms present in soil. The microorganisms are: 1. Bacteria 2. Actinomycetes 3. Fungi 4. Cyanobacteria 5. Algae 6. Protozoa 7. Bacteriophages 8. Mycoviruses. Microorganism # 1. Bacteria: Bacteria constitute the most dominant group of microorganisms in soil and probably equal one half of the microbial biomass in soil. They are present in all [...]
The following points highlight the top three techniques used for the treatment of polluted soil. The techniques are: 1. In Situ Bioremediation 2. Land Farming 3. Slurry-Phase Bioreactors. Technique # 1. In Situ Bioremediation: In situ bioremediation relies on biological clean-up without excavation. This technique of treatment of polluted soil is normally applied in situations where commination is deep in [...]