Prilled Urea 46% features forty six% of nitrogen (N) in ureic form, quickly absorbed from the leaves of plants. Absorption through the root system is slower, because urea in soil is transformed (being a result of enzymatic hydrolysis) into the ammonia form available for plants, after which into nitrate form. https://directoryindexer.com/listings13582297/black-turtle-beans-magnesium-for-dummies