Prilled urea 46% includes 46% of nitrogen (N) in ureic form, easily absorbed because of the leaves of plants. Absorption with the root system is slower, because urea in soil is converted (for a results of enzymatic hydrolysis) into the ammonia form available for plants, after which into nitrate form. https://cashmvchl.kylieblog.com/37819071/not-known-details-about-medium-roast-arabica-coffee-caffeine-content