Research Article
Effect of Peat Addition on Sorption and Leaching of Triazole Fungicides in Oran Soils
Table 2
Comparison of the Freundlich isotherm parameters, distribution coefficients, and KOC values.
| Fungicide | Sample | Kf | n | r2 | Kd (L·kg−1) | r2 | KOC |
| Penconazole | Peat | 0.409 ± 0.020 | 0.751 ± 0.080 | 0.981 | 216 ± 10 | 0.980 | 1968 | S1 | 0.005 ± 0.001 | 1.082 ± 0.091 | 0.978 | 08 ± 0.7 | 0.992 | 708 | S1-3% | 0.013 ± 0.003 | 1.030 ± 0.002 | 0.962 | 13 ± 1.0 | 0.981 | 1102 | S1-6% | 0.021 ± 0.005 | 0.907 ± 0.001 | 0.986 | 16 ± 0.9 | 0.992 | 1345 | S1-18% | 0.036 ± 0.006 | 0.923 ± 0.007 | 0.995 | 27 ± 1.2 | 0.994 | 2195 | E4 | 0.041 ± 0.005 | 0.956 ± 0.006 | 0.983 | 36 ± 2.1 | 0.990 | 2118 | E4-3% | 0.043 ± 0.002 | 1.008 ± 0.006 | 0.981 | 43 ± 3.3 | 0.990 | 1937 | E4-6% | 0.049 ± 0.003 | 0.995 ± 0.004 | 0.992 | 46 ± 2.2 | 0.995 | 1901 | E4-18% | 0.063 ± 0.003 | 0.983 ± 0.003 | 0.989 | 69 ± 1.3 | 0.997 | 2794 |
| Flusilazole | Peat | 0.342 ± 0.030 | 1.467 ± 0.080 | 0.940 | 654 ± 20 | 0.973 | 5962 | S1 | 0.022 ± 0.005 | 0.733 ± 0.006 | 0.965 | 11 ± 1.3 | 0.987 | 973 | S1-3% | 0.034 ± 0.007 | 0.773 ± 0.002 | 0.996 | 17 ± 0.9 | 0.988 | 1441 | S1-6% | 0.039 ± 0.007 | 0.852 ± 0.004 | 0.984 | 26 ± 1.2 | 0.988 | 2185 | S1-18% | 0.046 ± 0.006 | 1.030 ± 0.005 | 0.990 | 52 ± 4.0 | 0.987 | 4228 | E4 | 0.108 ± 0.012 | 0.895 ± 0.010 | 0.999 | 82 ± 4.5 | 0.999 | 4824 | E4-3% | 0.145 ± 0.035 | 0.845 ± 0.010 | 0.988 | 86 ± 3.7 | 0.991 | 3874 | E4-6% | 0.174 ± 0.015 | 0.801 ± 0.020 | 0.991 | 104 ± 5.4 | 0.987 | 4298 | E4-18% | 0.195 ± 0.012 | 0.773 ± 0.021 | 0.996 | 118 ± 5.5 | 0.997 | 4777 |
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These values represent the 95% confidence limits. |