Research Article

Residues and Dissipation of Fenitrothion in Green Bean (Phaseolus vulgaris) and Soil

Table 3

Dissipation of fenitrothion residues (mg kg−1 ± SD) in soil under the treated plant.

Time (days)Residue level (mean ± SD)Dissipation %

Zero 2 . 8 8 2 ± 0 . 1 2 8 0.00
1 2 . 1 0 5 ± 0 . 0 6 7 26.96
3 1 . 0 5 5 ± 0 . 0 4 5 63.56
6 0 . 8 0 3 ± 0 . 0 7 2 72.13
12 0 . 5 4 3 ± 0 . 1 0 1 81.16
19 0 . 2 6 7 ± 0 . 0 2 3 90.73
35 *ND
𝑘 (days−1)0.113
𝑡 1/2 (days)6.08

*Not detectable.