| Days after treatment |
HCH isomers recovered (μg) ± SD* |
| Control soil (without SMS) |
Control soil (with SMS) |
Soil (without SMS) |
Soil (with SMS) |
| α-HCH |
β-HCH |
γ-HCH |
δ-HCH |
α-HCH |
β-HCH |
γ-HCH |
δ-HCH |
| 0 |
ND |
ND |
98.36 ± 7.51 |
100.23 ± 6.58 |
97.86 ± 5.24 |
100.22 ± 5.88 |
98.62 ± 4.56 |
100.53 ± 6.85 |
98.62 ± 4.78 |
101.30 ± 5.96 |
| 10 |
ND |
ND |
97.24 ± 5.54 |
99.48 ± 6.14 |
97.33 ± 5.13 |
100.05 ± 5.73 |
96.90 ± 4.27 |
98.74 ± 4.78 |
97.32 ± 4.59 |
100.06 ± 5.76 |
| 20 |
ND |
ND |
97.02 ± 5.26 |
97.71 ± 5.29 |
96.13 ± 4.76 |
99.25 ± 4.62 |
92.73 ± 3.28 |
95.34 ± 4.29 |
84.72 ± 4.52 |
98.62 ± 5.65 |
| 30 |
ND |
ND |
96.38 ± 4.63 |
97.14 ± 5.10 |
95.72 ± 4.20 |
98.34 ± 4.28 |
90.04 ± 3.06 |
90.51 ± 3.82 |
71.38 ± 3.31 |
89.37 ± 5.43 |
| 40 |
ND |
ND |
95.92 ± 4.21 |
96.28 ± 4.45 |
93.85 ± 3.48 |
97.65 ± 3.72 |
80.26 ± 2.78 |
88.38 ± 3.67 |
58.56 ± 3.26 |
85.25 ± 4.39 |
| 50 |
ND |
ND |
95.23 ± 3.27 |
95.87 ± 4.16 |
92.34 ± 3.25 |
96.28 ± 3.63 |
75.40 ± 2.60 |
80.86 ± 3.45 |
44.85 ± 2.83 |
76.33 ± 2.72 |
| 60 |
ND |
ND |
92.60 ± 3.20 |
94.76 ± 2.86 |
91.22 ± 2.56 |
94.08 ± 3.12 |
67.63 ± 2.48 |
70.18 ± 2.92 |
33.27 ± 2.76 |
62.75 ± 2.65 |
|
| *Average of 5 replicates ± SD; ND: Not Detected. |
| Table 4: Degradation of HCH isomers in soil amended with spent mushroom substrate of Pleurotus florida (second study). |
