Freundlich isotherm parameters for adsorption of silicon under different phosphorus concentrations onto soils incubated with different concentrations of silicon and phosphorus. .

Table 3: Freundlich isotherm parameters for adsorption of silicon under different phosphorus concentrations onto soils incubated with different concentrations of silicon and phosphorus.

Treatments^*

A

B

K_f (mg Kg^-1)

1/n (L mg^-1)

Kf (mg Kg^-1)

1/n (L mg^-1)

P1

P2

P1

P2

P1

P2

P1

P2

Pi1

T1

T5

T7

T9

5.42

3.02

0.47

0.12

0.13

0.08

0.05

0.004

1.35

1.5

1.98

2.35

2.32

2.38

2.41

3.08

269

243

210

208

163

171

207

210

0.400

0.422

0.453

0.453

0.504

0.473

0.414

0.407

Pi2

T6

T8

T10

1.7

0.05

0.0013

0.04

0.01

0.001

1.64

2.63

3.65

2.492

2.72

3.43

267

178

160

210

217

223

0.401

0.496

0.525

0.419

0.394

0.384