The results indicated the significant effect of adding perlite at a level of 3% by volume to the soil in increasing plant growth traits, including plant height, chlorophyll, biological yield, grain yield, N and P concentration in the plant. The effect of adding N ...
In the method of purifying contaminated soil by microorganisms according to the present invention, contaminated soil mainly comprising clay or silt and containing trichloroethylene as a contaminant is dug out, and then temporarily placed on the ground (step 101). Next, perlite 2, which is an ...
of a biopowder comprising a plurality of kinds of aerobic microorganisms supported by a finely divided porous support (e.g. zeolite or perlite) is added to the oil cake, which is then kept at a temp. suitable for fermentation, 30-40 deg.C, for 8-12 days. Aerobic microorganisms of the...