Prilled urea forty six% features 46% of nitrogen (N) in ureic form, simply absorbed via the leaves of plants. Absorption from the root system is slower, because urea in soil is transformed (as a results of enzymatic hydrolysis) into the ammonia form available for plants, and after that into nitrate https://thebookmarknight.com/story20281310/an-unbiased-view-of-fertilizer-urea-composition