First, variety selection: general varieties of Chinese cabbage can be used for potted plants.
B. Selection of cultivation soil: The nutrient 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.
C. Cultivation containers: shallow flowerpots, wooden pots, foam plastic boxes, etc. Can be used. Generally, the container depth for planting a single plant is 15-20 cm, and bricks can also be used as cultivation tanks on the roof.
Step 2: Chinese cabbage is planted on the balcony, and seedlings are planted.
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.
B, when the seeds are almost soaked, put the nutrient soil into a container, level it, water it with a watering can, then spread the seeds evenly on the soil surface, and then cover it with a layer of 1cm fine soil.
The third step is to plant Chinese cabbage on the balcony and put it in a flowerpot.
A. If seedlings need to be transplanted separately, they should be transplanted into pots when they grow to four leaves.
B, before entering the pot, wash the flowerpot, lay ceramic tiles on the bottom of the pot, and put the nutrient soil to the edge of the pot for 3-4 cm. Dig holes with a depth of 5 ~ 7 cm every 10cm.
C. Carefully dig out the cabbage seedlings with bamboo sticks, plant the roots vertically, put them in the holes, straighten the plants and bury them.
D, water the soles of feet after planting.
The fourth step and daily management of Chinese cabbage balcony planting
A. Lighting conditions: Chinese cabbage likes warm and humid environment and can be planted in sunny places such as roofs and balconies.
B, after transplanting, keep the seedlings moist, warm and shaded. After 4-5 days, the seedlings can be delayed when the sun gradually appears.
C. fertilization management: topdressing 2-3 times during the growth period, and NPK compound fertilizer is suitable.
D, it can be harvested and eaten 20-40 days after sowing.
The fifth step of planting Chinese cabbage on the balcony, precautions A. It is best to water it in the morning and evening. Watering is not allowed in the overheated noon. After watering, loosen the soil with a small rake when the water penetrates into the soil and does not stick to your hands.
B. Sowing can be done all year round in the south, but the temperature is high in summer, which is not suitable for growth. Spring and autumn broadcasting is the best. Sowing can be done in the north in spring, summer and autumn, and indoors in winter, but the growing period will be longer.