Key points of tomato management in the latest autumn

Tomato is one of the most popular fruits and vegetables with rich nutrition, sweet and sour taste and great market demand. It is generally planted in spring, but some growers also plant it in autumn in order to improve their income. So how to manage tomatoes in autumn? Let's take a look.

1. Temperature control and humidity control

In the flowering period of tomatoes, the suitable temperature is 25-30 degrees during the day, 20-15 degrees at night, below 15 degrees or higher than 30 degrees will cause falling flowers and fruits and physiological deformities. So if the temperature is too high, light rain during the day or increase ventilation, the temperature is too low, at night should be covered with film, the appropriate temperature difference is 12-20 degrees. In addition, it is also necessary to control the humidity in the shed, after the tomato squatting seedling stage, the water demand increases greatly, at this time should timely replenish water, avoid sudden dry and wet, to ensure a uniform supply of water.

2. Fertilizer and water management

Fertilizer and water management is the most important part of tomato growth process, usually 7-10 days after planting, combined with watering, a fixed root and slow seedling fertilizer is applied. When the plant grows to more than 20 cm, combined with watering and fertilization and the fertilizer requirements of tomatoes, 2-4 kg Dayi balanced water-soluble fertilizer can be applied or drenched per mu. In the process of fertilization, attention should be paid to the application of calcium nitrate and potassium sulfate, and less nitrogen fertilizer should be applied as much as possible, so as not to cause stem rot caused by too much nitrogen, and calcium deficiency will also cause umbilical rot and bacterial diseases. In the fruit expansion period, in order to prevent hollow fruit, pay attention to the supplement of boron fertilizer, in order to prevent stem aging, zinc can be supplemented by foliar fertilizer.

3. prevention and control of diseases and insect pests

The main control diseases of tomatoes in autumn are Fusarium wilt and virus diseases, in which virus diseases start to grow and see buds when they begin to grow. Generally, they are sprayed every half a month, which can play an excellent role in prevention. Once the virus is found in the field, you can use the formula of Kangyanwei or virus K25ml + medical ribavirin 15 tablets + virus An or Kangdufeng 30g + natural brassine 2g + 15kg water, the first dosage should be large, and the second time you can use the medicine according to the general spraying amount.

The above is the introduction of tomato management in autumn. I hope it can help you. If you want to know more about it, please follow us.