ZAV Yield K is a premium, highly concentrated liquid EC Fertilizer designed to deliver massive amounts of fast-acting Potassium precisely when the crop needs it most: during the fruit swelling and maturation phase. While many potassium products struggle with solubility, this liquid NK solution guarantees 100% immediate availability. It is the ultimate tool for commercial growers looking to maximize the final weight, caliber, and commercial grading of theirfruits, vegetables, and row crops.