Prilled urea 46% contains forty six% of nitrogen (N) in ureic form, quickly absorbed by the leaves of plants. Absorption with the root system is slower, because urea in soil is transformed (being a results of enzymatic hydrolysis) into the ammonia form available for plants, and then into nitrate form. https://dapfertilizerformaize38158.designertoblog.com/68173989/npk-fertilizer-manufacturer-in-malaysia-fundamentals-explained