Prilled urea forty six% features 46% of nitrogen (N) in ureic form, quickly absorbed via the leaves of plants. Absorption through the root system is slower, because urea in soil is transformed (as being a results of enzymatic hydrolysis) into the ammonia form available for plants, and afterwards into nitrate https://travialist.com/story10597008/the-basic-principles-of-npk-ferterlizer