How to cure tomato umbilical rot

Tomato umbilical rot is caused by calcium deficiency, but the tomato umbilical rot is mainly related to fertilizer and water. In the expansion period of young tomato fruit, according to soil moisture, the water should be properly controlled so as not to make the soil too dry. If you are in a drought state for a long time and you suddenly flood the water, you can easily cause calcium deficiency in tomatoes and cause umbilical rot. When the tomato has umbilical rot fruit, timely calcium supplementation is needed. It is best to adopt foliar spray calcium fertilizer, such as Kangpu liquid calcium and amino acid calcium.

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