In this study, significantly improved urease and invertase activities in bulk and rhizosphere soil with BPC-PS amendment could be attributed to the exogenous addition of enzymes from the compost in addition to the improvement of microbial growth. Soil microbes could produce and release a large amount of extracellular phosphatase due to their large combined biomass, high metabolic activity and short life cycles.In addition, phosphatase activity was directly linked to soil organic carbon and available phosphorus [57]. In our findings, phosphatase activity was significantly improved in bulk and rhizosphere of maize after BPC-PS amendment, as in agreement with previous studies showing changes in soil phosphorus [23]. Therefore, changes in soil enzyme activities contributed to the improvement of soil nutrient availability, and in turn, improved plant growth and maize yield.