Prilled Urea 46% contains forty six% of nitrogen (N) in ureic form, very easily absorbed from the leaves of plants. Absorption through the basis system is slower, because urea in soil is transformed (like a result of enzymatic hydrolysis) into the ammonia form available for plants, after which into nitrate https://travialist.com/story11906345/a-review-of-npk-fertilizer-video