Prilled urea 46% involves forty six% of nitrogen (N) in ureic form, very easily absorbed through the leaves of plants. Absorption with the root system is slower, because urea in soil is converted (like a result of enzymatic hydrolysis) into the ammonia form available for plants, after which into nitrate https://bookmarkstime.com/story20817448/urea-fertilizer-tractor-supply-fundamentals-explained