Effect of different fertilizer application strategies on soil microbial biomass during corn growth periods

The nutrient role of different fertilizer application strategies was assessed by measuring C and N dynamics of soil microbial biomass in corn fields.Compared with zero-fertilizer,only organic fertilizer,or chemical fertilizer applications, compound organic and chemical NPK fertilizer applications greatly enhance soil microbial biomass in the whole corn growth period,increase the supply of soil nutrient and benefit soil fertility buildup.