POTASSIUM FERTILIZERS (LIQUID & SOLID) 1. Definition Potassium fertilizers are nutrient sources that supply essential potassium (K) to plants, which is critical for enzyme activation, photosynthesis, water regulation, and overall crop growth. Solid forms: granules, prills, or powders (e.g., potassium chloride, potassium sulfate) Liquid forms: potassium solutions or potassium nitrate suitable for fertigation or foliar […]
