Prilled urea 46% features 46% of nitrogen (N) in ureic form, very easily absorbed by the leaves of plants. Absorption from the root system is slower, because urea in soil is converted (being a result of enzymatic hydrolysis) into the ammonia form available for plants, and then into nitrate form. https://dap-fertilizer-price-in-p19516.tnpwiki.com/7049652/the_smart_trick_of_npk_fertilizer_when_to_apply_that_no_one_is_discussing