Soil is a unique habitat which harbours a variety of microflora and fauna, and gives mechanical and nutritional support to higher plants on which human civilization is based. Structural components of soil and its major constituents determine soil quality. Soil is as important as water and air. Human life could not be sustained with access to soil, because it is [...]
In this article we will discuss about the definition of soil fertility. Soil fertility is the sustainable capacity of a soil to produce good yields of high quality on the basis of chemical, physical and biological factors. The three factors are needed to assess soil quality or fertility. Much work has been done on physical, chemical, climatic and cultivation data. [...]
The major external factors that influence the microbial community in soil are: 1. Soil Moisture 2. Organic and Inorganic Chemicals 3. Soil Organic Matter 4. Types of Vegetation and its Growth Stages 5. Different Seasons. Factor # 1. Soil Moisture: Moisture is present in the form of film in soil pores. The amount of water increases with increase in porosity [...]