1, radish. In the "beginning of spring" solar term, Chinese folks pay attention to buying a radish to eat, which is called biting spring. Because radish tastes spicy, it takes the meaning of the ancients that "if you bite the grass roots, you can do everything". It is not only for disease prevention, but also for welcoming the Spring Festival.

2. Radish contains a lot of nutrients such as sugar, multivitamins, carbohydrates, calcium, phosphorus, manganese, iron, crude fiber and protein, and has extremely high edible value. Radish is a semi-cold-tolerant vegetable, seeds can germinate at 2℃-3℃, and the optimum temperature is 20℃-25℃. In seedling stage, it can withstand high temperature of about 25℃ and low temperature of-2℃--3℃. The growth temperature of radish stems and leaves is 5℃-25℃, and the optimum temperature is 15℃-20℃. The growth temperature of succulent roots is 6℃-20℃, and the optimum temperature is 18℃-20℃. When the temperature is below-1℃- 2℃, succulent roots will be frozen.