Urea (Carbomide) - universal concentrated water-soluble nitrogen fertilizer is intended for use under all growing crops on all soil types. Application: for production of plastics, adhesives, resins; in agriculture, as the most effective nitrogen fertilizer. More than 90% of world production of urea is destined for use as a nitrogen-release fertilizer. Urea has the highest nitrogen content of all solid nitrogenous fertilizers in common use (Therefore, it has the lowest transportation costs per unit of nitrogen nutrient.