Geography · Soil Profiles
मृदा परिच्छेदिका (soil profile) के संदर्भ में 'O-संस्तर' (O-bed) क्या है?
- 1अंतः-मृदा का सबसे निचला हिस्सा
- 2अंतः-मृदा (निचली मिट्टी)
- 3मृदा की सबसे निचली कार्बनिक परत
- 4मृदा की सबसे ऊपरी कार्बनिक परत✓
सही उत्तर देखें
मृदा की सबसे ऊपरी कार्बनिक परत
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