Nitrogen is essential for the growth of new stem and leaf growth in plants by forming proteins needed for tissue formation Nitrogen helps plants to absorb the other essential nutrients from the soil. Potassium represents an essential nutrient that enhances the health of the entire plant. Potassium helps plants to fight diseases caused by fungal, bacterial, and viral infections Phosphorus is able to facilitating the transfer of nutrients, water, and energy between different parts of the plant. Phosphorus is best absorbed by plants grown in neutral soils with a pH near 7.0.