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Explain how the following farming practices cause soil erosion.i) Burning (ii) Continuous application of fertilizer on farm lands. (iii) Monoculture

Explain how the following farming practices cause soil erosion.
i) Burning
ii) Continuous application of fertilizer on farm lands.
iii) Monoculture

Answers

william
1. Burning
Burning destroys micro-organisms which are essential for the formation of humus, which bind soil particles together.
Burning destroys vegetable matter that protects the soil against erosion
Burning destroys the nitrogen fixing bacteria making the soil less fertile
Burning loosens the soil making it susceptible to erosion/leaching which drains away soluble mineral nutrients
At the top, soluble minerals come into contact with insoluble ones

2. Continous application of fertilizer
This increases the acidity of the soil/changes the PH of the soil. The acidity destroys the micro-organisms in the soil, which could have helped inthe formation of humus, which binds soil particles together
Acidic soils are unsuitable for various crops, which could have helped protect the soils from erosion

3. Monoculture
Monoculture leads to exhaustion of certain minerals from the soil making it infertile, bare and leading to soil erosion
Monoculture leads to loosening of soil particles thereby encouraging soil erosion.
steve williams answered the question on December 30, 2017 at 18:57

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