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Modern facility agriculture is inseparable from the use of pesticides in order to obtain a bumper harvest, but pesticides are a double-edged sword. If the control is not good, there will be too many pesticide residues in the agricultural products, which will cause potential problems for our health. Or direct hazard. The following Qianhui greenhouse manufacturers summarize the experience for everyone to introduce the application of pesticides in the greenhouse greenhouse greenhouse:
First, purchase regular channels of pesticides:
When purchasing "safe medicine" to buy pesticides, do "four do not buy", first, no pesticide label or label is not complete, do not buy; second, the label "three certificates" (pesticide registration certificate, product standard number, production license) The drugs that do not have the mark are not bought; the third is that the quality of the product is not qualified; the fourth is that the drug that exceeds the product quality guarantee period is not bought. Then, according to the pesticide packaging, the types of pesticides are recognized: green as herbicide, red as insecticide , black as fungicide, blue as rodenticide, and yellow as plant growth regulator.
Second, the rational application of pesticides:
The application of pesticides in the production of thin film greenhouses or open field vegetables should be done with six notes:
1 the right medicine. There are many varieties of pesticides and different characteristics. The suitable pesticides should be selected for the control objects.
2 timely medication. The time for medication is correct, and the control effect is ideal. If the protective fungicide must be used before or during the onset of the disease, the pre-emergence herbicide should be used before the crop is germinated;
3 Strictly control the amount of application. Any pesticide should be used according to the recommended dosage. Any increase or decrease may cause crop damage or affect the control effect;
4 application should be even and thoughtful, can not be re-sprayed or leaked spray to ensure the safety of crops, effective for pests and diseases;
5 Reasonable mixing of pesticides, after mixing, can not increase the toxicity to humans and animals, chemical changes can not occur between the active ingredients, can not increase the cost of medication;
6 to apply safely. Dispensing and applying drugs should prevent pesticides from contaminating the skin. It is forbidden to spray high-toxic pesticides during high temperature in the summer, and the application time should not be too long. At the operation site, it is necessary to keep the liquid medicine, poisonous valleys, poisonous species, etc., to prevent poisoning of humans and animals. It should also be noted that highly toxic and highly toxic pesticides are prohibited from being used on crops such as melons, vegetables, and fruit trees to be responsible for consumer safety. In addition, pesticides must be noted for the safety of crops and the environment.
Third, problems occur in a timely manner
1 When the drug effect is very poor or the phytotoxicity occurs, the drug should be sent to the pesticide testing unit for inspection. If it is unqualified or counterfeit, it can go to the industry and commerce, consumer association, technical supervision and other departments to complain or go to court.
2 remedy for timely remedy, first, fertilization and remedy, the phytotoxicity of the leaves on the surface of the drug spots, leaf edge coke or plant yellowing, fertilizer can be applied to reduce the degree of phytotoxicity; second, to inhibit or interfere with plant growth Herbicide phytotoxicity can be sprayed with gibberellin to relieve; third is the phytotoxicity of some rice field herbicides, proper drainage can reduce the phytotoxicity.
3 In the event of a pesticide poisoning accident, it is necessary to take first aid measures or send it to the hospital for rescue.
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