N, P, and K are the periodic chart symbols for Nitrogen, Phosphorus and Potassium. These three elements are the primary macronutrients for plant growth and are the main elements compound fertilisers will contain. Secondary macronutrients are Calcium (Ca), Sulfur (S) and Magnesium (Mg).
N, P, and K are the periodic chart symbols for Nitrogen, Phosphorus and Potassium. These three elements are the primary macronutrients for plant growth and are the main elements compound fertilisers will contain. Secondary macronutrients are Calcium (Ca), Sulfur (S) and Magnesium (Mg).
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