Prilled urea 46% contains forty six% of nitrogen (N) in ureic form, simply absorbed from the leaves of plants. Absorption in the root system is slower, because urea in soil is converted (as a result of enzymatic hydrolysis) into the ammonia form available for plants, and after that into nitrate https://bookmarklogin.com/story20427243/fascination-about-npk-fertilizer-home-made