Management
Bull's-eye cabbage about 40 days after the emergence of seedlings, you need to choose a cloudy day or sunny evening for planting, row spacing of 55 centimeters, plant spacing of 35 ~ 40 cm, mu planting 3000 ~ 3500 plants.
Spring temperature is low, generally small water irrigated fields, not big water irrigation, with the water application of urea about 15 kilograms, if there is a cold spell of weather, can be applied in advance of the ammonium sulfate per mu 15 ~ 22 kilograms, and irrigation can enhance the ability of ox heart cabbage resistance to cold.
Bull's-eye cabbage rosette at the end of the appropriate control of watering, timely plowing and weeding. Transplanted late farmers, pay attention to drainage after the rain, to prevent the field water caused by rotten roots and leaf ball rot.
When the bull's-eye cabbage leaf ball reaches the tight real-time harvest, in the harvest to retain 2 pieces of outer leaves to protect the leaf ball, to do the surface clean, no insect pests, no crack ball.