Two common misunderstandings of pesticide application:
1. It is necessary to re-protect the disease: the state advocates the prevention and control of pests and diseases is a comprehensive consideration, not biased to a certain aspect, but also according to different diseases to carry out the right medicine. Therefore, we are faced with some pests and diseases that need to be prevented in advance, and we cannot wait until the onset of the disease. We should prepare in advance. For example: Apple's ring disease, if the disease is in the early stage, and it is not timely to prevent the use of drugs when it is not bad, then it will be extremely troublesome in the later stage. However, if the drug is used in the early stage, the effect will be very good; if the drug is used later, it will be a waste of effort.
2. It is necessary to blindly follow the application of drugs according to the specific conditions of their own land. This is the clearest among farmers. In terms of the cultivation of farmers, it is best to have their own management system, and the use of pesticides is also true. Therefore, during the medication, we must keep in mind: "Observation of re-treatment, seeing again, and re-mixing." First of all, observing the re-treatment is to first see if there is a disease on the crop. If the leaves of the tree are yellow, we need to consider whether there is a lack of chemical elements. If it is, there is no need to fight drugs, otherwise it is necessary. Look at the fight again, referring to determine which pests and diseases are the right way to fight drugs. Understand the remixing, because the mixed use of pesticides in some cases will help farmers more difficult, but it is necessary to know whether the pesticide can be compounded. If it is a compounding agent, these drugs may play the same role after mixing. Once applied, it is equal to the amount added, which may result in reduced efficacy or phytotoxicity.
These two points need to be kept in mind when administering a drug:
1. To comprehensive prevention and control. Not only the application of pesticides, but also the selection of disease-resistant species, water and fertilizer, soil and temperature, and other aspects to plan, thereby improving crop resistance. From the source of planting to lay a solid foundation for future disease resistance, the effect is far greater than the use of drugs alone.
2. Be cautious when choosing pesticides. If you mistakenly misunderstand the two misunderstandings mentioned above, you must re-establish the prevention and control plan. Keep in mind the “three-re-principleâ€, which will reduce the abuse and misuse, while minimizing the drug. The probability of harm occurring. Farmers must do a good job before mixing the medicines to avoid “doing no money†or “spending money to buy medicineâ€.
　 More pesticide knowledge , please pay attention to China Pesticide Network
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