- Decomposition:-decayed animals and plant tissue all from soil organic matter. They are acted upon by bacteria, protozoa, and fungi which break them into humus. Humus helps to improve the soil structure and the water retention of the soil.
- Fixation; Nitrogen bacteria fixes nitrogen in air into nitrate’s. This plays a very important role in improving soil fertility.
- Development of soil structure; fungi helps to bind soil particles borrowing animals crate passageways therefore improving soil a creation and soil permeability .
- Man’s activities like ploughing or root penetration in cracks.
- Influence the chemical composition of soil by adding organic acids to the soils.
maurice.mutuku answered the question on November 19, 2019 at 07:52
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