Question:
The drought-tolerant leguminous green manures are
The drought-tolerant leguminous green manures are
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Green manure crops:
- Drought-tolerant: Crotalaria juncea, Tephrosia purpurea.
- Moisture-loving: Trifolium alexandrinum (Berseem).
- Cowpea: Moderately drought-tolerant.
- Drought-tolerant: Crotalaria juncea, Tephrosia purpurea.
- Moisture-loving: Trifolium alexandrinum (Berseem).
- Cowpea: Moderately drought-tolerant.
Updated On: Aug 27, 2026
- Crotalaria juncea and Tephrosia purpurea
- Vigna trilobata and Lens culinaris
- Trifolium alexandrinum and Cymopsis tetragonaloba
- Vigna unguiculata and Macrotyloma uniflorum
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The Correct Option is A
Solution and Explanation
Step 1: Understanding the Question:
This question tests knowledge of green manure crops and their drought tolerance.
Step 2: Detailed Explanation:
Drought-tolerant leguminous green manures include Crotalaria juncea (Sunn hemp) and Tephrosia purpurea (A).
These crops are well adapted to dry conditions.
Other green manure crops:
- Vigna trilobata and Lens culinaris (B): Not drought-tolerant.
- Trifolium alexandrinum (C): Berseem (requires moisture).
- Vigna unguiculata (D): Cowpea (moderately drought-tolerant).
Thus, Crotalaria juncea and Tephrosia purpurea are drought-tolerant.
Step 3: Final Answer:
Thus, the drought-tolerant leguminous green manures are Crotalaria juncea and Tephrosia purpurea, which corresponds to option (A).
[0.5cm]
This question tests knowledge of green manure crops and their drought tolerance.
Step 2: Detailed Explanation:
Drought-tolerant leguminous green manures include Crotalaria juncea (Sunn hemp) and Tephrosia purpurea (A).
These crops are well adapted to dry conditions.
Other green manure crops:
- Vigna trilobata and Lens culinaris (B): Not drought-tolerant.
- Trifolium alexandrinum (C): Berseem (requires moisture).
- Vigna unguiculata (D): Cowpea (moderately drought-tolerant).
Thus, Crotalaria juncea and Tephrosia purpurea are drought-tolerant.
Step 3: Final Answer:
Thus, the drought-tolerant leguminous green manures are Crotalaria juncea and Tephrosia purpurea, which corresponds to option (A).
[0.5cm]
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