Table 7.

Comparative of adsorption results

Soil/Sufrace	Kf (μg g−1) (Freundlich)	n (Freundlich)	Kd (L Kg−1)	Koc (L Kg−1)	Pesticide	Author
Rhodic Ferralsol	(Linear model) 1.816	(Linear model) 1.031	1566	1581	Chlorpyrifos	Current research
	(Non-Linear model) 2.035	(Non-Linear model) 1.076
Humic Ferralsol	–	–	–	8200	Chlorpyrifos	Soares et al. [50]
Humic Ferralsol	–	–	–	20	2,4-D	Soares et al. [50]
Humic Ferralsol	–	–	–	2.7	Acefato	Soares et al. [50]
Humic Ferralsol	–	–	–	240,000	Bifentrina	Soares et al. [50]
Humic Ferralsol	–	–	–	12,000	Endosulfam	Soares et al. [50]
Humic Ferralsol	–	–	–	22,000	Glifosato	Soares et al. [50]
Humic Ferralsol	1.10	0.67	–	24 to 178	Tiametoxam	Schmidt et al. [37]
Humic Ferralsol	1.94	0.89	–	37 to 104	Atrazina	Schmidt et al. [37]
Sand, OH	5609*	0.82	22.6	7931	Chlorpyrifos	Spieszalski et al. [51]
Wooster silt loam, OH	62,405*	0.93	190.2	17,272	Chlorpyrifos	Spieszalski et al. [51]
Wooster silt loam, OH	291,690*	0.84	190.2	17,272	Chlorpyrifos	Spieszalski et al. [51]
Pre-amended clay loam (9:1 (v/v), OH	291,690*	0.84	1036	30,381	Chlorpyrifos	Spieszalski et al. [51]

*Transformed values for the units used in this research