Properties |
Units |
Anak Krakatau |
Panjang |
Rakata |
Sebesi |
pH H2O |
|
5.66 |
6.89 |
6.80 |
6.45 |
pH KCl |
|
4.63 |
5.63 |
5.60 |
4.97 |
Δ pH |
|
1.03 |
1.26 |
1.20 |
1.49 |
Phosphorous retention |
% |
96 |
96 |
96 |
69 |
Organic C |
% |
0.93 |
1.70 |
2.34 |
1.97 |
N total |
% |
0.03 |
0.10 |
0.15 |
0.18 |
C/N |
|
35.47 |
19.12 |
18.87 |
15.67 |
CEC |
cmol(+)/kg |
1.20 |
4.79 |
9.76 |
13.19 |
Exchangeable Ca |
cmol(+)/kg |
0.01 |
1.57 |
3.49 |
3.64 |
Exchangeable Mg |
cmol(+)/kg |
0.04 |
0.36 |
1.03 |
1.34 |
Exchangeable K |
cmol(+)/kg |
0.03 |
0.29 |
0.64 |
0.95 |
Exchangeable Na |
cmol(+)/kg |
0.36 |
0.53 |
0.59 |
0.75 |
Al-oxalate |
% |
0.81 |
0.89 |
1.00 |
5.36 |
Fe-oxalate |
% |
0.44 |
0.63 |
0.64 |
1.02 |
Si-oxalate |
% |
0.22 |
0.20 |
0.19 |
1.45 |
Alo + ½ Feo
|
% |
1.03 |
1.20 |
1.32 |
5.87 |