Effects of different nitrogen forms fertilizer,and with or without phosphorus and potassium supply on nutrient characters of maize(Zea mays L.)at seedling stage under 0~14 days of waterlogging stress condition were carried out in lime concretion black soil by incubation experiment.The result showed that,shoot biomass of maize plants with 3rd leaves under KNO3 treatment were significantly higher than that of under the other fertilizer treatments,except of NH4NO3 treatment(P＜0.05)before waterlogging stress.Shoot biomass of maize plants was affected by nitrogen,phosphorus and potassium supply,since shoot biomass of maize plants without potassium supply was significantly lower than that of maize plants without phosphorus supply(P＜0.05),while there were no significant difference existed between nonpotassium supply treatment and nonnitrogen supply treatment.No interaction between fertilizers and waterlogging stress on growth and nutrition accumulation of maize plants was observed.Fertilization significantly affected shoot biomass,and nitrogen accumulation(P＜0.05),phosphorus and potassium accumulation(P＜0.01)on the 7th day of waterlogging stress incubation.At the same time,waterlogging stress greatly reduced shoot nitrogen accumulation(P＜0.05),potassium accumulation(P＜0.01),and shoot biomass and phosphorus accumulation(P＜0.05)on the 14th day of stress incubation.The effects of fertilization on shoot biomass,nitrogen and potassium accumulation were enhanced with the stress incubation time.Fertilizer was the main factor affecting shoot biomass,nitrogen and phosphorus accumulation on the 7th day of stress incubation,which was replaced by waterlogging stress on the 14th day of stress incubation.However,the stress was always the main factor leading to the change in potassium accumulation.Urea supply rather than the other nitrogen forms fertilizers was helpful to alleviate the reduction in shoot biomass and nitrogen,phosphorus and potassium accumulation.