This products is product of high purity Uncooked products，the method is scientific and sensible.It's not at all only rich in NPK, that is important for crops,but additionally provides magnesium and sulfur.after application,it may encourage the absorption and utilization of assorted growth factors of crops,proficiently reduce the deficiency sickness conveniently caused https://npk12-12-17-2btefertilize71234.bloggactif.com/33835628/what-does-high-quality-npk-12-12-17-2-b-te-mean