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प्रश्न
Classify nutrients according to their sources.
टीपा लिहा
उत्तर
Nutrients are classified into three groups according to their sources.
| Source | Nutrients | |
| 1. | Air | Carbon (C) and oxygen (O) |
| 2. | Water | Hydrogen (H) |
| 3. | Soil | Nitogen (N), phosphorus (P), potassium (K), calcium (Ca), magnesium (Mg), sulphur (S), iron (Fe), manganese (Mn), boron (B), zinc (Zn), copper (Cu), molybdenum (Mo), and chlorine (Cl) |
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