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) |