Prilled urea 46% contains forty six% of nitrogen (N) in ureic form, quickly absorbed through the leaves of plants. Absorption through the root system is slower, because urea in soil is transformed (for a results of enzymatic hydrolysis) into the ammonia form available for plants, after which into nitrate form. https://andrefrycw.blog2freedom.com/37146062/a-secret-weapon-for-borlotti-beans-companion-planting