Prilled urea 46% involves 46% of nitrogen (N) in ureic form, simply absorbed from the leaves of plants. Absorption with the root system is slower, because urea in soil is converted (to be a result of enzymatic hydrolysis) into the ammonia form available for plants, then into nitrate form. Add https://esocialmall.com/story5731236/npk-fertilizer-manufacturer-in-malaysia-fundamentals-explained