秋菠菜是秋播春收的越冬性蔬菜，由于它上市早、产量高、效益好，近年来，栽培面积逐年呈上升趋势．由于秋菠菜是裸地栽培，一般从11月底开始越冬至第二年3月初返青，越冬期长达100多天，所以在长期低温干燥的条件下，如何确保安全越冬是夺取菠菜丰收的关键问题。总结各地经验 Autumn spinach is the spring harvest of winter wintering vegetables, because of its early market, high yield, good efficiency, in recent years, the cultivation area is on an upward trend. Since autumn spinach is cultivated in bare land, it usually starts from the end of November to the second year of early March and returns to the green at the beginning of March. The wintering period lasts more than 100 days. Therefore, under the condition of long-term low temperature drying, how to ensure safe overwintering is the key issue to seize the harvest of spinach . Summarize the experience around