Nitrogen, N
Phosphorus, P
Potassium, K

Nitrogen is an essential nutrient for plant growth, development and reproduction. Unfortunately, it’s the most deficient essential plant nutrient worldwide.

Phosphorus is essential for all living organisms. A plant must have phosphorus to complete its normal production cycle.

Potassium (K) is required for plant growth and reproduction. Potash is defined as K20 and is used to express the content of various fertilizer materials containing K.