The spraying method of powder pesticides is considered by many people to be directly water-based. It is not known that powder pesticides have different application methods for different crops and geographical environments. The three pesticides of Chinese pesticide nets are used to understand the three application methods of powder pesticides:
Application method of powder type pesticide:
1. Powder spraying method. Spray the powder evenly on the crop or control object with a duster. The powder can fly in the air, so the spray should be carried out on a sunny day without wind. The early morning and evening winds are the best time for dusting. The powder should be evenly distributed, and the blade should be slightly powdery when touched by hand, but there is no powder layer on the leaf surface. In the seedling stage of crop growth, it is not advisable to use the dusting method.
2. Seed dressing method. A certain amount of powder pesticide is mixed with the seeds in proportion and then sown, and the pathogens and underground pests and seedling diseases attached to the seeds can be controlled.
3. Poisonous soil law. The powder is mixed with fine soil to form toxic soil, and is applied to the ditch (seeding ditch), spread (sowed surface) or mixed with seeds. Soil is required to be applied to the ground.
The application method of the powder type pesticide is introduced here. The wettable powder can be diluted with water to a certain concentration of the emulsion, and the efficacy is longer than the powder, but worse than the emulsion. The application methods are: 1 spray method (same as before); 2 soaking method (same as before); 3 pouring method: adding - quantitative wettable powder to a larger amount of water for pouring.
Application method of powder type pesticide:
1. Powder spraying method. Spray the powder evenly on the crop or control object with a duster. The powder can fly in the air, so the spray should be carried out on a sunny day without wind. The early morning and evening winds are the best time for dusting. The powder should be evenly distributed, and the blade should be slightly powdery when touched by hand, but there is no powder layer on the leaf surface. In the seedling stage of crop growth, it is not advisable to use the dusting method.
2. Seed dressing method. A certain amount of powder pesticide is mixed with the seeds in proportion and then sown, and the pathogens and underground pests and seedling diseases attached to the seeds can be controlled.
3. Poisonous soil law. The powder is mixed with fine soil to form toxic soil, and is applied to the ditch (seeding ditch), spread (sowed surface) or mixed with seeds. Soil is required to be applied to the ground.
The application method of the powder type pesticide is introduced here. The wettable powder can be diluted with water to a certain concentration of the emulsion, and the efficacy is longer than the powder, but worse than the emulsion. The application methods are: 1 spray method (same as before); 2 soaking method (same as before); 3 pouring method: adding - quantitative wettable powder to a larger amount of water for pouring.
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