... product belong to NanB2O3, it has good antiseptic and disinfectant , pesticide, and is also effect to prevention of powdery mildew,-----,it ... can be used to mix with pesticide, herbicide, etc, no sediment ,and it has good assistant ... product belong to NanB2O3, it has good antiseptic and disinfectant , pesticide, and is also effect to prevention of powdery mildew,-----,it ...