Question

Select the correct alternatives.

The prevention of water logging in the clayey soil is due to the presence of ___________

• A. organic matter
• B. nitrogen
• C. oxygen
• D. phosphorus

Answer 1

The correct option is A

organic matter

The correct answer is option A.

Explanation for the correct option:

1. Manure is the organic matter obtained from biological wastes.
2. It replenishes nutrients in the soil and renders the soil fertile.
3. The organic matter increases the water-holding capacity of sandy soil.
4. It also prevents water logging in clayey soil.

Explanation for the incorrect options:

Option B:

Nitrogen is a macronutrient required for plant growth and development.

Option C:

Oxygen is the product of photosynthesis and is also a macronutrient obtained from air and water.

Option D:

Phosphorus is a macronutrient obtained from soil minerals.

Final answer: Hence, the prevention of waterlogging in the clayey soil is due to the presence of organic matter.