Cheap Price Urea 46% prilled and granular What is fertilizer urea A. Fertilizer urea is a small diameter,solid spherical white product that is infinitely soluble in water and is a benign and safe chemical to handle. B. When gardens need lots of nitrogen fast,fertilizer urea provides it.At 46 percent nitrogen, it is more effective that any other nitrogen fertilizers. C.Fertilizer urea is a high concentration of nitrogen fertilizer and it a neutral organic fertilizer.It can also be used in the production of a variety of compound fertilizer.