Prilled Urea 46% incorporates forty six% of nitrogen (N) in ureic form, very easily absorbed from the leaves of plants. Absorption through the basis system is slower, because urea in soil is transformed (as a result of enzymatic hydrolysis) into the ammonia form available for plants, and then into nitrate https://directoryrelt.com/listings1199109/fibre-sisal-sumatra-an-overview