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一、施足基肥。越冬菠菜的生育期较长,为了防止脱肥,基肥必须充足。一般可把有机肥和磷、钾肥一次全层深施,而后整地作畦。二、冬前控氮。菠菜越冬前的肥水管理标准在于保证其冬前长出4～5片真叶,才有利于增强抗寒能力,过大或过小都易遭受冻害,如果播期适时,基肥充足,越冬前要适当控制氮肥的施用量,以防止秧苗徒长而遭受冻害;若播种过晚或地力不足,可适量追施氮肥,以促苗生长,保证菠菜以适宜的苗龄越冬。
A Shi Shi-based fertilizer. Winter spinach longer growing period, in order to prevent fat, basal fertilizer must be adequate. Generally can be organic fertilizer and phosphorus, potash a full depth of application, and then for soil preparation 畦. Second, pre-winter control of nitrogen. Spinach pre-winter fertilizer and water management standards is to ensure that 4 to 5 before winter to grow true leaves, it will help enhance the ability of cold, too large or too small are vulnerable to frost damage, if the sowing date, adequate base fertilizer, before winter Appropriate control of the amount of nitrogen fertilizer applied to prevent the growth of seedlings frost damage; if too late sowing or lack of land, may be topdressing nitrogen fertilizer to promote seedling growth, to ensure spinach at the appropriate age of winter.