Four types of pesticides and fertilizers should not be mixed

Alkaline fertilizer ammonia, lime nitrogen, grass ash, etc. can not be combined with trichlorfon, dimethoate, methamidophos, quetiapine, thiophanate, jinggangmycin, carbendazim, yam, pyrethroid insecticides, etc. Mix pesticides, otherwise it will reduce the efficacy. Alkaline pesticide stone sulphur mixture, Bordeaux mixture, rosin mixture, etc., can not be mixed with ammonium bicarbonate, ammonium sulfate, ammonium nitrate, ammonium chloride and other ammonium fertilizers and calcium phosphate and other chemical fertilizers, otherwise it will cause ammonia loss, reduce fertilizer efficiency . Arsenic-containing pesticides, such as calcium arsenate and aluminum arsenate, cannot be mixed with potassium salts or sodium salt fertilizers, otherwise soluble arsenic will be produced and phytotoxicity will occur. Chemical fertilizers cannot be mixed with microbial pesticides because chemical fertilizers are highly volatile and corrosive. If they are mixed with microbial pesticides, such as stalks, worms, etc., they can easily kill microorganisms and reduce the control effect.

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