Prilled Urea 46% contains forty six% of nitrogen (N) in ureic form, conveniently absorbed via the leaves of plants. Absorption through the foundation system is slower, because urea in soil is converted (as being a results of enzymatic hydrolysis) into the ammonia form available for plants, and afterwards into nitrate https://wodirectory.com/listings13611850/planting-borlotti-beans-uk-for-dummies