Sources of Plant Nutrients
| S. No. | Nutrient | Major Source(s) |
|---|---|---|
| 1 | Nitrogen (N) | Organic matter |
| 2 | Phosphorus (P) | Apatite |
| 3 | Potassium (K) | Biotite, Orthoclase |
| 4 | Calcium (Ca) | Anorthite, Dolomite |
| 5 | Magnesium (Mg) | Dolomite, Olivine |
| 6 | Manganese (Mn) | Pyrolusite |
| 7 | Iron (Fe) | Pyrite |
| 8 | Boron (B) | Tourmaline |
| 9 | Molybdenum (Mo) | Olivine |
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