日本水稻的冷害,是与水稻的栽培同时开始的,而冷害的科学研究则较晚,始于本世纪的三十年代。随着冷害研究的进展,水稻受害确是减轻了,所以近年一般认为,至少在日本东北地区以南,冷害已被克服。可是,1976年日 The chilling injury of rice in Japan started at the same time as the cultivation of rice, while the research on chilling injury started later in the thirties of this century. With the progress of research on chilling injury, the damage to rice has actually been reduced. Therefore, in recent years, it is generally believed that the chilling injury has been overcome at least to the south of Japan’s northeast region. However, the 1976 day