江苏省赣榆县农场1954年秋播小麦497亩,当年12月底因寒流侵袭,该场分场新开垦的400多亩湖荡地,麦田受低温直接杀伤及根拔为害;1955年春初气温低、雨雪少、天气干旱,已经受冻而正在恢复的麦苗,又于3月底遭晚霜侵害,麦苗死伤达25—40%。但由于对受冻麦苗重点采用了压土、追肥、浇水等办法抢救,使37亩机播密植田,仍获得平均每亩304斤的丰产。一壅土保温:1955年1月上旬,寒流过后,该 Ganyu County, Jiangsu Province, farm in 1954 autumn wheat 497 acres, then by the end of December due to the cold invasion, the field of newly reclaimed more than 400 acres of lake land, the wheat field by the direct killing of cold and root damage; early 1955 early spring low temperature, Rain and snow less, the weather is dry, has been frozen and recovering wheat seedlings, but also by the end of March was night cream violations, wheat seedlings dead and wounded 25-40%. However, due to the stress of frozen wheat seedlings using pressure soil, top-dressing, watering and other means of rescue, so that 37 acres of machine-sowing Tian, ​​still get an average yield of 304 pounds per mu. A soil insulation: early January 1955, the cold after the