Prilled Urea 46% features 46% of nitrogen (N) in ureic form, quickly absorbed from the leaves of plants. Absorption through the foundation system is slower, because urea in soil is transformed (for a result of enzymatic hydrolysis) into the ammonia form available for plants, and then into nitrate form. four. https://bookmarksea.com/story21458553/fibre-sisal-sumatra-an-overview