The reason why the latest tomato does not expand fruit and its solution
In the process of tomato cultivation, many farmers often report that their tomatoes do not expand fruit or slowly expand fruit, which has a serious impact on the yield. So what is the reason why tomatoes don't swell? Let's get to know it with the editor.
1. Improper cultivation and management
Tomato non-expanding fruit is mostly caused by improper cultivation and management, and the essential reason is insufficient nutrition or failure to supplement the nutrients needed for growth in time, such as unreasonable fertilization, low temperature or low temperature, insufficient water supply and so on. Therefore, we should harvest reasonable fertilization methods according to different growth periods and soil fertility of tomatoes. In the peak period of reproductive growth, fertilization should pay attention to phosphorus and potassium fertilizer and control the application of nitrogen fertilizer, which can inhibit plant vegetative growth and promote reproductive growth.
2. Growth imbalance
Because plants grow excessively or flourish, it will cause incoordination between reproductive growth and vegetative growth and inhibit the normal growth of fruits, that is, it is often said that growing trees but not growing fruits. This phenomenon is mainly caused by too much nitrogen fertilizer, small temperature difference between day and night, and too much watering. Therefore, in the process of management, it is necessary to control the excessive growth and vigorous growth of the plant, which weakens the reproductive growth, resulting in a decrease in fruit setting rate and no fruit expansion. To control the overgrowth is to control the amount of water and reduce the amount of watering appropriately, so as to adopt the principle of frequent watering with small water, which is not suitable for flood irrigation. When watering, it is necessary to reduce the night temperature and widen the temperature difference, which can promote reproductive growth. Boron, calcium and other trace elements were sprayed at the same time.
3. Excessive nitrogen fertilizer
Excessive application of nitrogen fertilizer is a common misunderstanding in greenhouse cultivation, because fertilizers resist each other. If too much nitrogen fertilizer is applied, it will affect the absorption of potassium, boron, calcium, magnesium and other elements in the plant. These substances are important elements for tomato expansion, and once lacking, the fruit will not be able to expand. Therefore, in the growing period, it is necessary to control the application of nitrogen fertilizer and properly apply supplementary phosphorus and potassium fertilizer and trace element fertilizer.
The above is the reason why the tomato does not expand the fruit and the solution introduction, hope to help you, want to know more related knowledge, please follow us.
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