Field experiments were conducted to study the effects of various nitrogen managements partly substituted organic fertilizer nitrogen in traditional and recommended nitrogen rate on grain yield,nitrogen uptake and economic benefits of spring maize.Results showed that all the treatments with nitrogen applied significantly increased grain yield by 112%~168%，109%~242% in 2008 and 2009,respectively.Under the same nitrogen rate,yield of the patterns with 30% of N substitution by organic fertilizer N were equal(in 2008)and significantly higher than full chemical nitrogen applications.No differences between maize yield of the same pattern in both traditional and recommended nitrogen rate except that 30% of N substitution by organic fertilizer N in recommended rate was lower than traditional rate in 2009.Both nitrogen uptake and N use efficiency of patterns with 30% of substitution by organic fertilizer N were low compared with full chemical nitrogen applications,but the economic benefits was high.Organic fertilizer N substitution for 30% of chemical N could consider as one of the effective nitrogen managements on spring maize in Northeast China.