PDE Q26
0. The fertility of the soil can be increased by growing :
- Option : C
- Explanation :
Legumes, such as beans, peas, and lentils, help increase soil fertility by fixing atmospheric nitrogen. They have symbiotic bacteria (Rhizobium) in their root nodules that convert nitrogen from the air into a form that plants can use, enriching the soil with essential nutrients.
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Option A: Cereals
Incorrect. Cereals consume nutrients from the soil and generally do not replenish them. -
Option B: Fibre Crops
Incorrect. Fibre crops like cotton are nutrient-demanding and do not aid in nitrogen fixation. -
Option C: Legumes
Correct. Legumes improve soil fertility through nitrogen fixation. -
Option D: Root Crops
Incorrect. Root crops like potatoes may deplete certain nutrients and do not contribute significantly to
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