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抗热大白菜6、7月份播种,8、9月份收获,经济效益很好。但由于夏季高温高湿、病虫害发生严重,所以栽培技术要求较严格。 1.选择抗热、早熟、抗病、耐湿品种 宜选择豫园50、夏阳50、小杂50和豫早1号等品种。 2.选好茬口,施足底肥 不宜选择前茬为小白菜、上海青、甘蓝、花椰菜地,以避免交叉传播病虫。宜选择前茬为西瓜、番茄、黄瓜、豆角、蒜、韭菜田。若是小麦茬田,要增施优质有机肥。抗热大白菜生育期不足60天,应以底肥为主。
Heat-resistant cabbage in June and July sowing, harvest in August and September, good economic returns. However, due to high temperature and humidity in summer, pests and diseases seriously, so the cultivation of more stringent technical requirements. 1. Select heat-resistant, precocious, disease-resistant, moisture-resistant varieties should choose Yuyuan 50, Xia Yang 50, 50 hybrid and Yu early as No. 1 and other varieties. 2. Selected crop stubble, Shi enough base fertilizer should not choose the former crop of cabbage, Shanghai Green, cabbage, cauliflower, in order to avoid cross-spread pests. Should choose the former crop watermelon, tomato, cucumber, beans, garlic, leek field. If the wheat stubble field, to increase the application of high-quality organic fertilizer. Heat-resistant cabbage less than 60 days of growth, should be based at the base.