Drip Powder B - 25lb BagProvides phosphorus, potassium, magnesium, and sulfur during all phases of growth. Phosphorus plays a key role in root development, as well as nutrient transport, regulating protein synthesis, and plant respiration. Potassium helps the plant maintain turgor pressure and aids in food formation while reducing respiration by preventing energy loss in the plant. Potassium is also a key contributor to increased yields. Magnesium acts as a carrier of