Cultivation method of autumn cabbage

1, 500 kg of base manure (seedbed or direct seeding field) and 20 kg of organic compound fertilizer of Cerambycidae; Or 2000 kg of high-quality manure, ternary compound fertilizer 10 kg.

2. Topdressing (1) rhizosphere topdressing: ① Sprinkle light manure water (or 600 times of Cerambycis longicorn paste fertilizer solution) on one leaf with one heart and raise seedlings 1-2 times; ② After planting or transplanting, apply 20 kg of organic compound fertilizer or high-quality farmyard manure 1.500 kg plus ternary compound fertilizer 1.5 kg per mu. Foliar topdressing: spray 300 times of organic-rich Cerambycidae paste fertilizer (or 1500 times of raw liquid fertilizer) twice (every 4-7 days 1 time) at the 2-4 leaf stage, after planting or transplanting, and before and after harvesting 10 day.

3. The root system of Chinese flowering cabbage is shallow, which is neither drought-tolerant nor waterlogging-tolerant, and needs a lot of water. Water it once in the morning and evening on sunny days, once in the afternoon when the sun is strong at noon or when it is shaded with black plastic net. Drainage in time after rain.

4. Pest control principle: apply pesticides in the early stage of pest occurrence; Choose pesticides with high efficiency and low residue. The effective prescription is (effective 7 days before harvesting); (1) anthrax: use 80% thiram 500 times solution or 75% thiophanate-methyl 600 times solution (twice in a row, every 7 days, the same below). Downy mildew: 72% gram dew (frost urea manganese zinc) 700 times liquid (special effect). (3) Soft rot: 3000 times of 72% streptomycin or 600 times of 77% keside. Silk worm and ghost drawing: use 3000 times solution of 1.8% Enoch essence (or 1.8% Fuding, 1.8% Ji Mei). Pieris rapae and filariasis: Bacillus thuringiensis (BT)500 times solution. Aphids, Noctuidae larvae and Pieris rapae were treated with 2.5% cypermethrin 2000 times solution. Control of flea beetle, moth larva and aphid with cypermethrin 1500 times or 4000 times solution. Aphids: use 50% pirimicarb 2000 times solution. If Anoplophora longicorn paste fertilizer rich in organic matter (45g per 15kg liquid medicine) is added to the above liquid medicine, the drug effect can be improved, the flowering Chinese cabbage can be restored to vigorous growth, and the quality and yield can be improved.