(1) The cultivation season can be broadcast almost all year round, but still spring to spring 3-5 months, harvesting period from May to August, autumn sowing from August to October, harvesting from November to next March, March to March, and autumn High yield and good quality. (b) The selective sowing of Chinese kale can be broadcast live or transplanted. Chinese kale is good for wet and wet, so it should be selected soil fertile, convenient drainage and irrigation of the soil. Live broadcast generally uses sowing or on-demand, 200-300 grams of seed per acre, when there are 5-6 leaves when the Dingmiao, plant spacing 10-15 cm, the seedlings can be planted in the field. Nursery, seedbed 30 square meters with a seed amount of 50-100 grams, can plant a field of acres, pay attention to irrigation and fertilization after emergence, thinning, 5-6 leaves can be planted. (3) Before planting and planting density, make detailed preparation and apply sufficient base fertilizer. In winter and spring, it is made flat, and in summer, it is made of sorghum. When transplanting planting by seedling size, planting density of early maturing varieties can be 1818 cm, mid-late maturing varieties 2020 or 3030 cm. (4) Field management topdressing should master the principle of light application and diligence. After applying colonization and survival, before bolting, apply diluted human urine or nitrogen fertilizer every week. After each harvest, one fertilizer should be chased once. Generally, it should be 2 to 3 days after harvest, the wounds will heal after application, otherwise the wound will be susceptible to infection and rot. After topdressing, it should be combined with watering to keep the soil moist and not subject to drought. In rainy days, drainage should be taken care of.
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