According To Weight Account的意思|示意

按照重量 The invention discloses a composite herbicide formulated by 0.5-1.5 portion of pyrazosulfuron-ethyl, an active component, and 7.5-8.5 portion of prometryne according to weight account, which can effectively control weed such as Chinese water chestnut and pondweed, with a herbicidal rate of above 80 per cent.