Prilled Urea forty six% incorporates forty six% of nitrogen (N) in ureic form, conveniently absorbed via the leaves of plants. Absorption through the root system is slower, because urea in soil is converted (being a result of enzymatic hydrolysis) into the ammonia form available for plants, then into nitrate form. https://addurl-directory.com/listings13596582/planting-borlotti-beans-uk-for-dummies