Research Article

Bioavailability and Solubility of Heavy Metals and Trace Elements during Composting of Cow Manure and Tree Litter

Table 4

Microbiological analysis of beneficial micro-organisms—BM in the activated stock solution—ASS (n = 3).

ParametersT0T30
Mean ± st. dev.Mean ± st. dev.

Mesophilic aerobes (UFC·mL−1)1.25 × 107 ± 4.01 × 1064.33 × 106 ± 1.10 × 106
Thermophilic aerobes (UFC·mL−1)3.00 × 104 ± 4.35 × 1045.00 × 103 ± 4.23 × 103
Lactobacillus spp. (UFC·mL−1)1.27 × 107 ± 2.08 × 1061.00 × 107 ± 5.33 × 106
Molds and yeasts (UFC·mL−1)<1.00 × 102 ± 0.001.27 × 106 ± 8.50 × 105
Bacillus spp. (UFC·mL−1)1.00 × 102 ± 0.001.77 × 106 ± 3.06 × 106
Actinomycetes (UFC·mL−1)1.01 × 105 ± 1.11 × 1051.60 × 103 ± 5.66 × 102