Prilled Urea forty six% includes 46% of nitrogen (N) in ureic form, conveniently absorbed via the leaves of plants. Absorption through the root system is slower, because urea in soil is converted (to be a results of enzymatic hydrolysis) into the ammonia form available for plants, then into nitrate form. https://wise-social.com/story7064073/about-how-dap-fertilizer-works