Potassium is a rich fertiliser & 100% natural. This fertiliser can be applied to a wide range of crops & guarantees longer preservation of fruits after harvest. A powder to be incorporated at planting time or sowing. This product is extracted from sugarbeet or sugarcane. 38% potassium oxide (Ksquared O) soluble in water. Rate 20-80g/msquared. 3.5kg.