Nutrients and their sources
Nitrogen (N) : Organic matter
Phosphorus (P) : Apatite and Al & Fe phosphate
Potash (K) : Orthoclase, Micas, Feldspar
Calcium (Ca) : Dolomite, Calcite
Magnesium (Mg) : Dolomite, Muscovite
Sulphur (S) : Gypsum, Pyrite, Organic matter
Iron (Fe) : Pyrite, Magnetite
Molybdenum (Mo) : Olivine
Boron (B) : Tourmaline
Manganese (Mn) : Magnetite
Zinc (Zn) : Sphalerite
Chlorine (Cl) : Apatite
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