秋根菠菜在越冬时死亡率较高,要想使其安全越冬成活,必须在秋末冬初加强田间管理。一、秋季管理菠菜出苗后,要根据苗生长情况和土壤湿润状况灵活掌握田间管理的各个环节。当幼苗拉十字后,土壤干燥时可灌一次水,随水亩施硝铵7—8公斤;3—4片真叶时控制浇水,促使根系下扎,有利于越冬。越冬菠菜叶数过多或过少均不利于越冬。最理想的叶数是6—8片真 Autumn root spinach in the winter mortality is higher, in order to make it safe winter survival, field management must be strengthened in late autumn and early winter. First, the autumn management Spinach emerge, according to the growth of the seedling and soil wet conditions flexible grasp of all aspects of field management. When the seedlings pull the cross, the soil can be drunk when the irrigation water once a day, with the water acres of ammonium nitrate 7-8 kg; 3-4 true leaves when the control of watering, prompting the root bar, help wintering. Overwintering spinach leaves too much or too little are not conducive to wintering. The best number of leaves is 6-8 pieces really