PLANT NUTRIENT REQUIREMENTS

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Nitrogen N; Phosphorus (Phosphates) P2O5; Potassium K2O; (commonly referred to as N.P.K.); Calcium; Magnesium.

Minor (trace) nutrients: Iron; The following are trace elements, : Manganese, Boron, Copper, Zinc, Molybdenum, Sulphur, (Chlorine Sodium).