1992年大白菜干烧心病在我区发生严重,调查认为,大白菜干烧心病主要是缺钙引起的,发病的条件是:土壤盐类浓度高、大白菜根系早衰、抑制对钙的吸收、积累,水分不均匀、干旱促使这一过程的发生。据此,在防治上建议要做到如下: 1.及时灌溉,防止土壤盐类浓度高。大白菜进入结球期,必须及时灌溉,保持土壤湿润,减少盐 1992 Chinese cabbage dry heart disease is serious in our district, the survey believes that Chinese cabbage dry heart disease is mainly caused by calcium deficiency, the incidence of conditions are: high concentrations of soil salts, Chinese cabbage root premature aging, inhibition of calcium absorption, Accumulation, uneven water, drought to promote the occurrence of this process. Accordingly, in the prevention and control recommendations to be done as follows: 1. Timely irrigation to prevent the high concentration of soil salts. Chinese cabbage into the node, it must be timely irrigation, keep the soil moist, reduce salt