Application of IFC at a proper rate can slightly accelerate ammonification and inhibit denitrification in the soil, and yet does not affect much microbial biomass in the soil.

• 适量施用IFC化肥增效剂使土壤氨化强度略有增加，能在一定程度上抑制土壤反硝化作用，但对土壤微生物生物量未产生明显影响。