Prilled Urea forty six% includes 46% of nitrogen (N) in ureic form, simply absorbed via the leaves of plants. Absorption through the basis system is slower, because urea in soil is converted (like a result of enzymatic hydrolysis) into the ammonia form available for plants, then into nitrate form. 4. https://andersonbjors.therainblog.com/39916061/the-greatest-guide-to-npk-fertilizer-advantages