Mixed use of fertilizers should be remembered: "four do not mix"

·                        1. Alkaline fertilizer ammonia, lime nitrogen, grass ash, etc. can not be mixed with pesticides such as trichlorfon, thiophanate, jinggangmycin, carbendazim, pyrethroid insecticides, otherwise it will reduce the efficacy.

   2. Alkaline pesticide stone sulphur mixture, Bordeaux mixture, rosin mixture, etc. can not be mixed with ammonium fertilizer such as ammonium bicarbonate, ammonium sulfate, ammonium nitrate or ammonium chloride, and chemical fertilizer such as superphosphate. Otherwise, ammonia will be volatilized and reduced. Fertilizer effect.

   3. 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.

   4. Chemical fertilizers cannot be mixed with microbial pesticides. Because chemical fertilizers are highly volatile and corrosive, if mixed with microbial pesticides such as acaricidal bacteria, green worms, etc., it is easy to kill microorganisms and reduce the control effect.

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