Taking maize as test material to evaluate the effect of organic and inorganic fertilizer application on maize yield, the changes of soil enzyme activity and microbial biomass in maize cropping region, field experiments were conducted in Hailin farm, Heilongjiang Province. The experiment included five different treatments as follows: 100% organic manure N+PK(T1), 20% organic manure N combined with 80% inorganic fertilizer N+PK(T2), 30% organic manure N combined with 70% inorganic fertilizer N+PK(T3), 100% in...
Effect of inorganic fertilizer combined with organic manure on soilenzyme activity,microbial biomass and yield of maize/JIANG Baiwen1,MAXiaodong1,ZHOU Baoku2,JIA Ru1,ZHANG Huan1,XU Fenghua1(1.School of Resources andEnvironmental Sciences,Northeast Agricul