Prilled urea forty six% contains 46% of nitrogen (N) in ureic form, simply absorbed through the leaves of plants. Absorption in the root system is slower, because urea in soil is transformed (to be a results of enzymatic hydrolysis) into the ammonia form available for plants, and then into nitrate https://dap-fertilizer07283.blogpostie.com/58396465/the-basic-principles-of-npk-ferterlizer