How to deal with tomato diseases in winter and spring? Tomato daily management measures

Tomatoes are one of the common vegetables on our table. In most areas today, tomatoes are grown in greenhouses. However, in the actual planting process, due to the low temperature outside the greenhouse in winter and spring, the air is dry, while the air temperature and humidity in the greenhouse are relatively Larger, so that the internal and external environment forms a huge contrast ratio, leading to the occurrence of gray mold, sclerotinia, late blight and other diseases in the tomato planting process, seriously affecting the yield of tomatoes, so today Xiaobian said that the greenhouse tomatoes daily Management measures are as follows.

First, timely ventilation

At noon at high temperature, the moisture in the tomato greenhouse should be discharged in time to enhance the exchange and circulation of the external dry air and the internal air. At the same time as ventilation and ventilation, attention should be paid to ensuring the indoor temperature.

Second, the film cover

During the tomato planting process, the mulching film can greatly reduce the evaporation of water in the ground soil, prevent drought and reduce the number of watering, and is beneficial to the heat preservation and dehumidification of the greenhouse.

Third, the use of drip irrigation or infiltration irrigation

In the process of tomato planting, drip irrigation or infiltration irrigation can save water resources, waste water and reduce costs. At the same time, it can avoid the disadvantages of soil compaction caused by large water irrigation and excessive moisture and moisture in the soil.

Fourth, the application time

Try to use the greenhouse tomatoes to fight the drugs at a relatively high temperature. After the drugs are sprayed, they should be ventilated in time to keep the air flowing.

Five, high temperature and humidity

1. The temperature is low in the morning and do not ventilate.

2. Under the condition of ensuring the normal growth of tomato plants, try to increase the temperature and reduce the humidity. When the temperature rises to the appropriate temperature of the plant, start ventilation and ventilation.

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