Prilled Urea forty six% contains 46% of nitrogen (N) in ureic form, simply absorbed through the leaves of plants. Absorption through the basis system is slower, because urea in soil is transformed (for a results of enzymatic hydrolysis) into the ammonia form available for plants, then into nitrate form. four. https://tbookmark.com/story21365536/dap-fertilizer-msds-options