Geography · Soil Science
मिट्टी का कौन सा घटक अपने अपेक्षाकृत कम अनुपात के बावजूद मिट्टी की उर्वरता में सबसे महत्वपूर्ण योगदान देता है?
- 1सिलिकेट (Silicates)
- 2कार्बोनेट (Carbonates)
- 3खनिज ऑक्साइड (Mineral oxides)
- 4कार्बनिक पदार्थ (Organic matter)✓
सही उत्तर देखें
कार्बनिक पदार्थ (Organic matter)
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