Why do the following occur?
- To obtain a higher agricultural yield, chemical fertilizers, insecticides, weedicides, and irrigation technique is used.
- However, the excessive spraying of chemical fertilizers leads to soil degradation. In such a condition, the proportion of humus in soil decreases, and the pH value of soil gets disturbed.
- Excessive irrigation draws the salt from the soil upwards and makes the soil saline and then unproductive. Thus, soil erosion occurs due to chemicals, chemical fertilizers, and excessive irrigation.
Concept: Soil Erosion and Degradation
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