A bogey avoids using the living water to prepare the pesticide because the living water is more than the impurity, uses its medicine to be easy to plug the nozzle of the sprayer, at the same time will also disrupt the liquid suspension and produce the precipitation.
Second bogey preparation of pesticides with well water because the well water contains more minerals, especially calcium and magnesium. The combination of these minerals and liquid chemicals is prone to chemical reactions, resulting in precipitation and reduced efficacy.
Three bogey arbitrarily increase the amount of water and excessive water will reduce the concentration of pesticides. Spraying on the crop leaves only a very small amount of pesticides, which is not enough to kill the pests, and some pesticides even completely fail. Excessive water addition can also result in the loss of pesticides and environmental pollution. Therefore, when formulating pesticides, the amount of water added must be strictly controlled according to their use concentration range.
Four bogey to increase the amount of pesticides randomly Before the pesticides are allowed to be produced and sold, they must undergo a rigorous field efficacy test, and then determine the actual usage data such as the amount of medication, the time of application, and the number of applications. Therefore, in accordance with the dosage specified in the instructions for use, that can achieve control effect, and increase the amount of drugs not only increase the input, but also make crops produce phytotoxicity, increase pesticide residues in agricultural products, increase environmental pollution.
5. Avoiding irrational use of pesticides Mixed application of some pesticides can increase the control effect, reduce the amount of pesticides used, or achieve the effect of pests, diseases, or both. However, some pesticides cannot be mixed and applied. For example, most of the organophosphorus pesticides will rapidly decompose and fail when they encounter alkaline pesticides or alkaline media. When you need to mix pesticides, be sure to understand the nature of various pesticides, characteristics, find out whether it can be mixed, it is best to consult the relevant technicians and then mixed.
Sixthly, avoid using expired pesticides at random, pesticides must be used within the warranty period, otherwise it will cause losses.
Seven Bogey During the flowering period, pesticides are sprayed on the agricultural crops to bloom, their tissues are tender, their resistance to stress is weak, and they are prone to phytotoxicity. Therefore, they must avoid flowering during spraying.
Eight bogey before spraying crops generally highly effective pesticide highly toxic pesticide residue period of about 60 days, high effective low toxicity pesticide residue period of about 15 days. Therefore, regardless of food, vegetables, or fruit trees, the use of pesticides should be prohibited before harvest to prevent food poisoning.
Nine abuse of pesticides should be based on the types of crops, the object of control and the performance of pesticides using the corresponding pesticides, so that the right medicine, while avoiding long-term use of a certain drug.
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