Amendment (%)

Parameter

0

5

10

15

20

25

pH

6.12 ± 0.11

6.35 ± 0.02

6.67 ± 0.08

6.75 ± 0.08

6.77 ± 0.003

6.99 ± 0.18

%N

0.11 ± 0.00

0.197 ± 0.003

0.27 ± 0.01

0.32 ± 0.003

0.44 ± 0.02

0.50 ± 0.01

%OM

4.06 ± 0.13

9.69 ± 0.27

10.54 ± 0.11

14.84 ± 0.13

15.95 ± 0.32

16.43 ± 2.05

%OC

2.55 ± 0.01

4.84 ± 0.01

5.70 ± 0.01

6.77 ± 0.02

7.21 ± 0.01

8.60 ± 0.03

P (mg∙kg⁻¹)

22.99 ± 0.86

33.08 ± 2.88

54.13 ± 3.25

70.82 ± 2.36

74.27 ± 1.55

78.15 ± 1.68

CEC (meq/100g)

8.34 ± 0.07

11.53 ± 0.05

15.70 ± 0.04

17.81 ± 0.07

18.84 ± 0.03

18.96 ± 0.04