Prilled urea 46% includes 46% of nitrogen (N) in ureic form, very easily absorbed because of the leaves of plants. Absorption from the root system is slower, because urea in soil is transformed (as being a result of enzymatic hydrolysis) into the ammonia form available for plants, and afterwards into https://dmozbookmark.com/story20312714/borlotti-beans-nutrition-for-dummies