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As we all know, most pesticides have the characteristics of “decomposition by alkaliâ€, and many pesticides are marked on the packaging “cannot be mixed with alkaline substancesâ€. Some areas use pesticides to prepare well water, while the content of calcium and magnesium ions in well water is high, the water quality is hard, and the alkali is alkaline. If the pesticide is mixed with alkali, it will inevitably decompose some pesticides, thus obviously reducing the insecticidal and bactericidal effects of pesticides. . This is one of the reasons why many farmers' friends have said that "the drug is not used."
Add the appropriate amount of vinegar in the water to prepare the pesticide, neutralize the acid and alkali, the alkali in the water does not exist, and then prepare the pesticide to avoid the decomposition of the pesticide, so as to ensure that the pesticide plays its proper role. In practical application, the amount of vinegar can be adjusted according to the alkaline size of the well water. In areas where the well water is less alkaline (pH 7.2), the ratio of water to vinegar is 200:1 to 500:1; in areas where the well water is more alkaline, the ratio of water to vinegar is 160:1 to 200:1.
It is worth mentioning that spraying a proper amount of vinegar solution such as vegetables can improve the quality and increase the yield.
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