How to manage planting bract mustard?

How to manage planting bract mustard? Please introduce the method of planting bract mustard can be managed as follows: first, stubble arrangement: the previous crop is spring edamame bean, spring corn, watermelon and pepper field are all ideal plots for bract mustard. Second, variety selection: the growth period of Dapingpu bract mustard (flat head species) is 70-80 days. Sowing at the right time: cultivating strong seedlings: ① sowing time: early June. ② seedling land selection: drainage Lingtong, fertile soil, previous non-cruciferous vegetable land, can be used as bract mustard seedling land; ③ soil sterilization and application of base fertilizer, clean up the residual leaves, spray 600x dimethazone disinfection, and then apply 3rel 4kg fine phosphate fertilizer per minute seedling field as base fertilizer; ④ seed amount per mu field half (25g), sowing 4050g per minute seedling field, uniform sowing ⑤ disease and pest control: after sowing, 250g Zidan or Divermicin mixed with fine soil was used to spread the seedling bed, and then covered with sunshade net for 2-3 days. After emergence, net addition was used again to control pests, and thin fertilizer was applied after ⑥ seedlings. 4. Transplant in the field and apply sufficient base fertilizer: ① base fertilizer must be applied 10 days before transplanting, with 40-50 kg ternary compound fertilizer per mu, deeply applied in the middle of the row of bract mustard, and covered with soil after application. ② bract mustard for about 25 days, transplanting at 5-6 leaf stage, transplanting seedlings with three belts, that is, with fertilizer (2-3 days before pulling seedlings), medicine, and mud transplanting, with a density of 40-45 cm, generally 3000-3500 plants per mu, immediately after planting, and applying seedling fertilizer once after living plants. 5. Heavy application of bract fertilizer to prevent diseases and insect pests: ① bract mustard applied heavy fertilizer once in rosette stage and bract stage, using 18-20 kg urea per mu plus 10 kg potassium chloride per mu (little or no potassium fertilizer was applied in coastal land); ② August and September is the recurrence season of all kinds of diseases and insect pests, mainly virus disease, soft rot, cotton bollworm and night moth pests, focusing on the control of rosette stage and bract stage. Pesticides: virus a, virus k 600 times, agricultural streptomycin or antiseptic coating agent 3000-4000 times liquid spray, 10% can be used in addition to 1500 times control or other low-toxic and efficient pesticides, and to achieve a safe interval. It can be harvested 45 days after planting. Click to get more mustard planting techniques click to get more vegetable planting techniques