1. Temperature: the germination temperature is about 25 ℃, the growth temperature is about 20 ℃, and the temperature is more than 30 ℃. It is prone to disease. If the temperature is less than 15 ℃, the growth rate will slow down.
2. Watering: it is suitable for growing in a humid environment, because it is not resistant to high temperature, so more watering is needed in high temperature weather. It's better to water once every other day. When the temperature is low, watering once a week is OK
3. Fertilization: it consumes a lot of nutrition, especially in the growing period, it needs topdressing every month. The fertilizer can be farmyard fertilizer or compound fertilizer with comprehensive nutrients. At the beginning of seedling, topdressing should be mainly based on nitrogen fertilizer to promote plant growth.
4. Light: it is not resistant to insolation. When it is exposed to light, it should mainly focus on astigmatism. The daily light time is guaranteed to be four or five hours.
1. Propagation: it can be propagated by sowing. The amount of seeds per mu is about one kilogram, and the sowing method is mainly sowing. If it's hole sowing, put four or five seeds in each hole. After sowing, cover with a layer of soil, water once, and sprout in a week or two. When the seedlings grow three leaves, they can be transplanted.
2. Planting: the density of planting should be determined according to the requirements of harvesting. The requirements of harvesting are different, and the density of planting will also be different. If it's for the purpose of harvesting seedlings, it can be planted properly. Generally, it's best to plant in 15cm square. If it's for harvesting young shoots many times, it's OK to plant in 25cm square..
1. Insect damage: the main insect damage of winter cabbage is the ground tiger and the Spodoptera litura. If the plant is found to be infected with insect damage, it can be baited and killed. If the chemical agent is used for insect control, it can only be picked after one to ten days. Because the chemical agent is toxic, it can only be picked after the chemical agent volatilizes.
2. Pathological changes: its main diseases are anthrax and root rot. anthrax needs to be controlled with chlorothalonil, and root rot needs to be controlled with carbendazim.
1. Edible: it is edible.
2. Whether it is suitable for family planting: it does not require high maintenance environment, and the plant body is not large, indoor planting is OK
