时令入秋,各种根茎类的植物经过一个夏天的成长,膨大成熟,在入冬之前就要收获了。俗话说:“春吃花,夏吃叶,秋吃果,冬吃根。”这是强调一年四季的饮食都要跟着季节来,秋后收获的根茎类的食物,如土豆、红薯、山药等,营养丰富,耐储存,历来是百姓过冬的重要食物。作家汪曾祺曾写过一篇散文,说他有过一段吃土豆(马铃薯的通称)的特殊经历。当时他在河北北部的沽源县下放劳动,那里有马铃薯培育基地,他负责画各种品种的马铃薯图作资料。先是画花,马铃薯花 Seasonal autumn, a variety of rhizomes of plants after a summer of growth, enlargement and maturity, we must harvest before winter. As the saying goes: “spring eating flowers, summer eating leaves, autumn eat fruit, winter eat roots.” This is to emphasize the diet throughout the year have to follow the seasons, autumn after harvest rhizome foods such as potatoes, sweet potatoes , Yams, etc., nutrient-rich, resistant to storage, has always been an important winter food for the people. Writer Wang Zengqi wrote an essay saying he had had a special experience of eating potatoes, the generic term for potatoes. At the time, he laid off his labor in Guyuan County in northern Hebei, where there was a potato cultivation base where he was responsible for drawing pictures of potatoes of various varieties. First painting flowers, potato flowers