Multiple choice

Which of the following factors does not contribute in the improvement of quality of soil?

  1. Manures

  2. Soil organisms

  3. Afforestation

  4. Overgrazing

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Manures add organic matter and nutrients, soil organisms enhance decomposition and nutrient cycling, and afforestation prevents erosion and improves soil structure. Overgrazing degrades soil by removing protective vegetation, compacting the land, and increasing erosion - it harms rather than helps soil quality.

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