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2. 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 and reduce fertilizer efficiency. .
3. Arsenic-containing pesticides, such as calcium arsenate and aluminum arsenate, cannot be mixed with potassium salts or sodium salt fertilizers. Otherwise, soluble arsenic may be produced and phytotoxicity may occur.
4. 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 acaricidal bacteria and green worms, they are easy to kill microorganisms and reduce the control effect.
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Pesticide fertilizer "four do not mix"
1. Alkaline fertilizers such as ammonia water, lime nitrogen, grass ash, etc. cannot be used with pesticides such as trichlorfon, dimethoate, methamidophos, carbaryl, thiophanate, carbendazim, acetonide, pyrethroid insecticides, etc. Mixed, otherwise it will reduce the efficacy.
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