In actual production, Kobayashi found that most agricultural friends are not professional enough to master the details of reasonable dilution, dissolution, and ratio of different pesticides . Therefore, the spraying effect is not good or causes phytotoxicity and even harms the human body. Since the concentration of pesticides in current products is generally high, Xiao Bian reminds everyone that before use, scientific dilution should be based on the variety of pesticides, the types of crops to be controlled, and the temperature at the time of application.
"Three bogey" of pesticide dilution
1 Avoid impurities Water: Too much impurities will destroy the suspension of the liquid and cause precipitation.
2 Avoid mineral water: mineral water containing too much minerals such as calcium and magnesium. Will cause precipitation and reduce the efficacy.
3 avoid more water: some agricultural friends will reduce or even fail due to poor control of water.
Pesticide dilution has "two calculations"
1 Calculate how much pesticides are used: Find out how many pesticides we need for our crops, and don't overdo it, so as not to cause pesticide pollution and waste.
2 Two counts of pesticides: This step is a step we want to focus on. First remember the following formulas
Calculate the amount of diluent: the amount of diluent = the weight of the original drug × the dilution factor - the weight of the original drug
Calculate the dose: the original dose = the weight of the drug / dilution factor
Calculate the dilution factor: dilution factor = the weight of the drug (or original concentration) / the weight of the original drug (or the concentration of the drug)
Pesticide mix should pay attention
1 When mixing, figure out the order of addition to avoid precipitation.
2 Add water first, then add medicine. This can promote the dilution of the drug. We can add the pesticide in a selected way, stir it evenly, then add it, then stir. This is beneficial for the dilution of the drug.
More pesticide knowledge , please pay attention to China Pesticide Network
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