Prilled Urea 46% incorporates 46% of nitrogen (N) in ureic form, simply absorbed via the leaves of plants. Absorption through the root system is slower, because urea in soil is converted (as being a results of enzymatic hydrolysis) into the ammonia form available for plants, and after that into nitrate https://totalbookmarking.com/story21559755/detailed-notes-on-limestone-export-supplier-cement-industry