When is it suitable to plant Chinese cabbage in four seasons?

According to morphological characteristics, biological characteristics and cultivation characteristics, Chinese cabbage can be divided into autumn and winter Chinese cabbage, spring Chinese cabbage and summer Chinese cabbage, each of which includes different varieties. Variety classification

1, autumn and winter cabbage: widely cultivated in southern China, with many varieties. Plant type is erect or waist-tied, mainly cultivated in autumn and winter, and can be divided into white stem type and green stem type according to petiole color. The representative varieties of white stem types are Nanjing Aihuang, Changzhou Changbai Stem, Guangdong Aihei Leaf, Hefei Xiaoye Vegetable, etc. The representative varieties of green stalk types are Shanghai Aiji, Hangzhou Zaoyoudong, Changzhou green stalk vegetables and so on.

2. Spring cabbage: The plants are relatively developed, and a few are upright or slightly waist-tied. Strong cold resistance, cold resistance and high yield. According to bolting in the morning and evening and supply period, it can be divided into early spring vegetables and late spring vegetables. The representative varieties of vegetables in early spring are bright white leaves and white stems in Nanjing, white stems and green stems in Wuxi in March, late oil in winter in Hangzhou and slow in Shanghai in March. The representative varieties of vegetables in late spring are Nanjing April leucorrhea with white stalks, Hangzhou silkworm cabbage, etc., while Shanghai April is slow and May is slow with green stalks.

3. Summer cabbage, which is cultivated in high temperature season in summer and autumn, is also called "fire cabbage" and "Fucai". The representative varieties are Shanghai fire cabbage, Ma Guangzhou cabbage, Nanjing Aiza 1 and so on.

Extended data:

1, soil selection

Nutritious soil should be loose, breathable, water-retaining and fertilizer-retaining. Generally, vegetable garden soil, humus soil and organic fertilizer are mixed in a certain proportion.

2. Sowing and raising seedlings

Chinese cabbage can be directly sown or transplanted. Seeds can be soaked in warm water at 50 ~ 55℃ for 65438 05 minutes, and then soaked in normal temperature water for 6 ~ 8 hours. When the seeds are almost soaked, put the nutrient soil into a container and level it, water it with a watering can, then spread the seeds evenly on the soil surface and cover it with a layer of 1cm fine soil.

3, into the basin

If the seedlings need to be transplanted separately, the seedlings should be transplanted into the pot when there are 4 leaves.

Before entering the pot, wash the flowerpot, lay tiles on the bottom of the pot, and lay nutrient soil to the edge of the pot for 3 ~ 4 cm. Dig holes with a depth of 5 ~ 7 cm every 10cm. Carefully dig out the cabbage seedlings with bamboo sticks, plant the roots vertically, stretch them in the hole, straighten the plants and bury them. Water the soles of your feet after planting.

4. Daily management

Lighting conditions: Chinese cabbage likes warm and humid environment, and can be placed in sunny places such as roofs and balconies when cultivated. After transplanting, it is necessary to keep moisture, keep warm and shade before delaying the emergence of seedlings, and gradually see the sun after 4-5 days, so as to delay the emergence of seedlings. Fertilization management: topdressing 2-3 times during the growth period, and NPK compound fertilizer is suitable. It can be harvested and eaten 20-40 days after sowing.

References:

Four Seasons Pakchoi _ Baidu Encyclopedia