1. Variety selection: leafy varieties should be cultivated in spring and autumn, and big leaf varieties should be selected in summer.

2. Plot selection and soil preparation and fertilization: select fertile, loose, well-drained and moist plots, plow the fertilizer into the soil, rake it flat and make it into a high compartment with a compartment width of 1.2 ~ 1.5m and a ditch width of 30 cm. The border needs fine, loose and flat soil.

3. Seed treatment: Before sowing, rub the seeds into single seeds by hand.

4. Sowing: Sowing or drilling can be used. Rake the land, make a high bed, and then sow. Seeds per mu 1.5 kg are mixed with proper amount of Chinese cabbage seeds, and then evenly sown. Chinese cabbage can shade coriander seedlings, and pull out Chinese cabbage at intervals.

5. Field management: It is not advisable to water too much at seedling stage. When the seedlings grow to 2 cm high, they should be watered and topdressing with decomposed manure and urea. When the plant is 10 cm high, it should be watered and fertilized frequently to keep the soil surface moist, and it should be drained in time in rainy days to prevent waterlogging. Pay attention to intertillage and appropriate thinning, and pull out weeds during thinning.