水稻倒伏在各地区是一种比较普遍存在的现象。它是与田间水浆管理合理的程度、施肥的技术水平有着密切相关的联系。在江苏松江地区来看,农民都有大暑前(拔节前数天)在单季晚稻田进行一次重烤田的习惯,根据群众的实践经验,认为有减轻或防止水稻倒伏的作用。为了要从理论上寻找依据,笔者在松江县城东人民公社新生生产队作了对比试验调查,前 Rice lodging in various regions is a more common phenomenon. It is closely related to the reasonable degree of field water slurry management and the technical level of fertilization. In the Songjiang area of ​​Jiangsu Province, peasants have the habit of re-roasting fields in the single-season late rice fields before the heat stroke (several days before the jointing season). According to the masses’ practical experience, they think they can reduce or prevent the lodging of rice. In order to find the basis for the theory, the author in Songjiang County People’s commune newly-born production team made a comparative pilot survey, before