This product is made of high purity raw elements，the system is scientific and acceptable.It's not only full of NPK, which happens to be important for crops,and also provides magnesium and sulfur.right after application,it might market the absorption and utilization of assorted growth components of crops,correctly reduce the deficiency sickness conveniently https://npk12-12-17-2btefertilize69348.bleepblogs.com/33227305/5-essential-elements-for-npk-12-12-17-2-b-te-for-improved-soil-fertility