Soil type

1st filtrate

2nd filtrate

2 F

1 F

0.5 F

2 F

1 F

0.5 F

Clay

3.4 ± 0.93

2.3 ± 0.2

1.4 ± 0.14

5.8 ± 0.16

4.2 ± 0.25

1.4 ± 0.21

Sand

7.2 ± 0.26

5.4 ± 0.19

2.2 ± 0.35

9.0 ± 0.97

6.1 ± 0.23

1.6 ± 0.35