The effect of water-logged on growth and development and the measures to water-resistance in rice were studied in present paper The results were shown that the carbohydrate and soluble sugar, under water-logged, were reduced pronouncedly in rice, untill the stems and tillers became to die, becanse the respirable material were largely consumed during anaerobic respiration The leaf wilt was also happened in survived stems and tillers, and such phenomena, reduced green leaf area, decreased root vitality, l...