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Scientific water supply: In Chinese cabbage, it will keep the water evenly and supply adequately. It should be avoided when it is too much, and it should be wet when it is dry. In general, water should be poured once in the morning and at night. Each time, one to 1.5 kilograms of water per plant is poured. Cover the surface with rice straw or other weeds to keep the soil moist.
Rational fertilization: P and K fertilizers and organic fertilizers should be increased to control nitrogen fertilizers. In order to restrain their madness, in the early and middle stages of the ball, each application of primary potassium dihydrogen phosphate and appropriate amount of farmhouse fertilizer, each 15 to 20 grams per plant, will be applied to the defecate of fresh water or mash.
Prevention and control of pests and diseases: pests were found, and sprayed continuously for 2 to 3 times with 1500 times agricultural land music, 1500 times with liquid ammonia, or 1500 times with liquid nitrogen, 1000 times liquid to kill mixed liquid for prevention and treatment. If the soft rot disease is serious, 5000 times of agricultural streptomycin should be added together with spraying.