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偃师市大口乡韩村每年种植露地冬包菜1000多亩,平均亩产4000—5000公斤,亩产值达1600—2000元。包菜于3—4月份上市,正值蔬菜淡季,经济效益好。在栽培中除掌握常规技术外,重点要抓好温度管理。 1.选好耐寒品种 目前,我们当地推广的“新丰”包菜,是一种极耐寒品种。在严冬不加覆盖,不需任何保护措施,就能安全越冬。我市元月份最低气温—5℃,极端低温—10℃以下,而“新丰”无冻害,生长良好。是较理想的冬包菜品种。 2.适时播种育苗 露地冬包菜的适宜育苗时间在8月上中旬。若过早育苗,由于气温较高(25℃以
Yanshi Daguang Township Hancun annual planted open-winter winter cabbage 1,000 mu, average mu produce 4000-5000 kg, mu output value of 1600-2000 yuan. Cabbage in the March-April listing, coincided with the off-season vegetables, good economic returns. In addition to master conventional techniques in cultivation, the key should focus on temperature management. 1. Selection of cold-resistant varieties At present, our local promotion of “Xinfeng” cabbage, is a very hardy varieties. In winter without cover, without any protective measures, you can safely wintering. The lowest temperature in January of the city -5 ℃, extreme low temperature -10 ℃ below, and “Xinfeng” no frost damage, good growth. Is the ideal variety of winter cabbage. 2. timely sowing seedlings nursery ground planted cabbage suitable nursery time in mid-August. If premature nursery, due to higher temperatures (25 ℃