Reasonable crop rotation, such as rotation of eggplant vegetables and onions and garlic vegetables, can not only significantly reduce the disease, but also increase the yield.
Elimination of diseased plant debris to remove diseased plant debris, diseased fruit, and weeds, centralize destruction and deep burial, and cut off the route of transmission are a good way to prevent and control pests and diseases.
The humidity is reduced because the bacteria can multiply in high humidity and endanger the vegetables. Therefore, the humidity in the field should be reduced as much as possible to reduce the occurrence of diseases.
Reasonable fertilization is best to use formula fertilizer on vegetables, and mainly to increase the maturity of organic fertilizer, with the application of phosphate fertilizer, control the amount of nitrogen fertilizer, late growth can use nitrate inhibitor dicyandiamide to prevent vegetables Nitrate accumulation and pollution.
The use of soilless cultivation with soilless culture can artificially reduce the source of germs. It is a good method.
Set insect nets If it is a greenhouse vegetable, install insect nets in the vents of the greenhouse to prevent the invasion of whitefly, aphids and other pests, and reduce the chance of infection by pests.
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