ABOUT ĐổI MớI PHâN BóN

It need to be saved in a dry inert fuel environment or anhydrous mineral oil to stop the development of a area layer of potassium superoxide, a strain-delicate explosive that detonates when scratched. The ensuing explosion typically commences a hearth hard to extinguish.[sixty one][sixty two]Đất cung cấp dinh dưỡng cho cây trồng hấp th