Paraquat is a fast sterilant herbicides with get in touch with action and particular systemic action,that is definitely paraquat herbicide. It may be instantly absorbed by the plant green groups to make them dead, and it has no effect around the non-green groups. It can speedily combine with soil and passivation in the soil, nevertheless it is invalid to perennial rhizome and perennial root. Plant growth regulator has really serious harm to man, and there is certainly no specific medcine, the...