List FOUR activities of man that can lead to soil losing its fertility. – NABTEB QUESTION

1. Continuous cropping, over-cropping, mixed cropping (without replenishing the soil)
2. Deforestation, overgrazing, using heavy machine.
3. Bush/crop residue burning.
4. Exposing the soil, not planting cover-crop or legumes.
5. Inability to control, reduce, manage and check erosion.