| abstract |
The invention relates to the technical field of screening and application of functional microorganisms, and specifically provides a composite microbial inoculant for improving soil fertility, as well as a preparation method and application thereof. The composite microbial inoculant can effectively increase the content of available phosphorus in the soil, significantly improve soil fertility, increase crop yield, and simultaneously inhibit the occurrence of diseases and insect pests through the synergistic promotion of Bacillus subtilis CCTCC NO: M2019402 and various microorganisms. Wide application prospects. |