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Urea fertilizer has the highest nitrogen content of all solid nitrogenous fertilizers in common use. Urea is solid nitrogen fertilizer (grade B) increased concentration is designed for a wide range of crops. 


Urea is used for soil fertilization in periodic feeding of sowing, and also used for regular stabilizing the growing season, to enhance increase in percentage of protein in cereal crops and increasing yield overall.

The substance has a great execution in the form of water-soluble granules of high strength, which gives ample opportunity for fertilizer mixtures.


Urea is also used in many multi-component solid fertilizer formulations. Urea is highly soluble in water and is therefore also very suitable for use in fertilizer solutions (in combination with ammonium nitrate: UAN), e.g., in 'foliar feed' fertilizers. For fertilizer use, granules are preferred over prills because of their narrower particle size distribution, which is an advantage for mechanical application. The most common impurity of synthetic urea is biuret, which impairs plant growth.


Urea is usually spread at rates of between 40 and 300 kg/ha but rates vary. Smaller applications incur lower losses due to leaching. During summer, urea is often spread just before or during rain to minimize losses from volatilization (a process wherein nitrogen is lost to the atmosphere as ammonia gas).