Coloman Urea Fertilizer Pure Quality, Color : Write

Urea with 46% nitrogen has 98.5% purity. Usually, the biuret content is low, less than 0.5%, and doesn't impact nutrient absorption by plants. Urea with biuret content above 0.5% should not be used for spraying plants. Above 1% when applied to the soil decreases nutrient absorption by plants