Prilled Urea 46% incorporates 46% of nitrogen (N) in ureic form, conveniently absorbed by the leaves of plants. Absorption through the root system is slower, because urea in soil is transformed (as being a results of enzymatic hydrolysis) into the ammonia form available for plants, then into nitrate form. Diammonium https://friendlybookmark.com/story21380798/about-how-dap-fertilizer-works