Pc (percentage): indicates the percentage of active ingredients in the drug; ppm (parts per million): such as 1ppm (also written in ppm), is one millionth; ec (effective concentration): can prevent The concentration of the object, such as pests, germs or weeds, which is not harmful to the crop; lc (lethal concentration): the concentration that causes the death of the test animal, expressed in ppm; mec (maximum effective concentration): for pests The maximum concentration of the drug that is safe and harmless to the crop; g(g) (granules): adheres or contains a certain amount of the agent, has the characteristics of long drug effect, convenient use, less dust flying, and safety to beneficial insects; Dp (powder): A fine powder pesticide with certain specifications and content can only be used for dusting or seed dressing, making bait, etc.; kg (ha) (application amount): how many kilograms of pesticide can be applied per hectare of farmland.
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