Humidity in vegetable sheds is prone to rapid spread of diseases, especially for gray mold and downy mildew. Sprayer applications often increase the humidity in the shed, increase the etiology of the disease, and affect the control effect.
Through years of vegetable cultivation, the old vegetable growers have summarized three measures to reduce the humidity in the vegetable shed. 1, using a mist sprayer. The mist sprayer sprays less water, the medicine droplets are fine, diffusion is good, the distribution is even, the insecticidal and bactericidal effect is good, and labor, time, and effort are saved. 2. Use aerosols and dusts. Smoke aerosol sheds, pesticides cover a wide range, especially suitable for rainy days or disease epidemic period, spraying time is best in the evening, after the aerosol is discharged, the booth is closed overnight, the next morning ventilation. Dust can be applied using a duster or a mister. The time is in the morning or evening. When dust is sprayed, the sprayer is upward, allowing the dust to fall naturally. 3, using mixed soil application. Mixing the pesticide and soil in a certain proportion evenly and then applying it to the roots has a good effect on prevention and control of diseases, especially soil-borne diseases at seedling stage.
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