Red cabbage is also known as red cabbage and red cabbage. It starts from the seedlings to the ball, the ball is purple, attractive and attractive. Its characteristics are cold-resistant, heat-resistant, disease-resistant, drought-tolerant, moisture-tolerant, fertilizer-resistant, fast-growing, and harvested after planting for 65 days. The single ball weighs 2-3 kg and can produce up to 5,000 kg per mu. Now we will briefly introduce its cultivation techniques.
1. Sowing seedlings. The spring planting can be planted from November to early March of the following year, but it should be insulated with a plastic membrane arch. The method is the same as that of eggplant. Autumn cultivation should be nursed in July-August. The seedbed is required to deepen the sun, apply sufficient basic fertilizer, and make it flat and fine. One week before sowing, the bed surface shall be sprinkled with human feces and urine. The seedbed shall be 1.4 meters wide and 30 meters deep, and the seeds shall be covered with fine soil or ash. It is advisable not to expose the seed, sprinkle enough water to keep the soil moist, and raise seedlings 5-7 days later.
2. The seedlings are planted. Seedlings are grown when the seedlings grow out of 1 true leaf, and crowded seedlings and leggy seedlings are properly removed. Short shoots and normal growth seedlings are selected to grow short and strong seedlings. To be seedlings to 6-8 leaves can be planted. Cabbage is a fertilizer crop, so Daejeon requires the use of sufficient base fertilizer, 2000 kg of farmyard manure in Mushi, 1500/kg of livestock and manure, 50 kg of superphosphate, and 10 kg of potash, all mixed with soil, and the vegetable land is 1.7 meters wide. Each ridge was planted in 2 rows with a row spacing of 3.3 cm and 50 cm, and 3000 rows of mu.
3. Field management. After the seedlings became alive, the autumn and early autumn seasons were dry and watered every morning and evening to keep the soil moist. In the ball stage, the water supply must be fully provided, combined with cultivating, weeding, and applying topdressing. If there is a lot of rain, it is necessary to clear the gutter in time, otherwise it will grow poorly. Cabbage in the ball stage (heart period) requires more fertilizer, to re-fertilize, to promote the ball large and strong, increase production, the application of livestock manure 2000-25o0 kg, or urea 10 kg.
4. Pest control. Cabbage disease is mainly "black shank disease" (but rare), and can be controlled by thiophanate- and carbendazim 800-1000 times. Insect pests are numerous and must be controlled frequently. The main crops include cabbage caterpillars, diamondback moths, etc. Chrysanthemum pesticides and refined trichlorfon can be sprayed and killed.
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