pH, Nitrogen, Phosphorous and Potash
Plants use Nitrogen, Phosphorus and Potash (N, P and K for short) for healthy growth. Nitrogen is directly responsible for healthy green leaves. Phosphorus is vital for a healthy root development. Potash is essential for flower and fruit development. Plants also require the correct pH level (the relative amount of hydrogen in a substance) to control how they utilize the Nitrogen, Phosphorus and Potash available to them.


