How to prevent and cure tomato umbilical rot

How to prevent and cure tomato umbilical rot? Most of the recent tomato planters consulted our agricultural technicians about the symptoms and prevention of tomato umbilical rot. In general, tomato umbilical rot often occurs during the peak season of tomato, which will obviously affect tomato. Commodity and output. Tomato umbilical rot is mostly caused by calcium deficiency in the soil. In the prevention and treatment, it is recommended to spray calcium and boron fertilizer on the foliar surface at the same time. At the same time, adding broad-spectrum fungicides such as chlorothalonil or carbendazim can prevent the occurrence of other diseases. When applying topdressing or rushing fertilizer in the fruit expansion period, avoid using high potassium fertilizer, increase the application of organic fertilizer, strengthen the permeability of the soil, and improve the absorption environment of the root system of the plant.

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