Maintenance of soil fertility without the addition of extra nutrition is due to: (CSS MPT 2024)
Microbial activity
Crop residue
Moisture
None of these
Correct Answer: (Microbial activity)
Maintenance of soil fertility without the addition of extra nutrition is due to:
A. Microbial activity
B. Crop residue
C. Moisture
D. None of these
Explanation:
The correct answer is A. Maintenance of soil fertility without the addition of extra nutrition is primarily due to microbial activity. Microorganisms in the soil play a crucial role in decomposing organic matter, releasing nutrients, and enhancing soil fertility.