1 results about "Potato dextrose agar" patented technology

The present application belongs to the technical field of contaminated soil remediation, and relates to an ecological activation remediation material for heavy metal contaminated soil and a preparation method thereof, comprising: obtaining biochar by anaerobic pyrolysis, crushing and sieving of corn stalks; obtaining modified biochar wet material by dispersing the biochar in a modified solution, mixing, stirring and heating; obtaining a bacterial suspension by inoculating Burkholderia into LB liquid medium, oscillation culture, centrifugation and resuspending the bacterial body with a protective agent solution; obtaining a spore suspension by inoculating Phanerochaete chrysosporium into a potato glucose agar plate and static culture; obtaining a mixed suspension by mixing the modified biochar wet material, the bacterial suspension and the spore suspension with a sodium alginate solution, and obtaining gel microspheres by dropping the mixed suspension into a calcium chloride solution and taking out and drying. The ecological activation remediation material prepared by the present application can efficiently fix heavy metals, enhance the survival time and long-acting effect of microorganisms in the soil, and promote the recovery of the ecological function of the soil.