Prilled Urea 46% consists of forty six% of nitrogen (N) in ureic form, quickly absorbed by the leaves of plants. Absorption through the foundation system is slower, because urea in soil is transformed (like a results of enzymatic hydrolysis) into the ammonia form available for plants, then into nitrate form. https://jasperbsuvd.jasperwiki.com/7688152/detailed_notes_on_limestone_export_supplier_cement_industry