Table 4: Soil pH, organic carbon, organic matter, total nitrogen and available phosphorous.
|
Horizon |
Depth (cm) |
pH |
Exch. acidity |
Exch. AL+3 |
OC% |
OM% |
TN% |
C/N |
Available Pmg/kg |
|
Pedon 1 |
|||||||||
|
A |
0-20 |
5.7 |
0.16 |
0.24 |
3.3 |
5.7 |
0.28 |
11.78 |
3.22 |
|
AB |
20-35 |
5.6 |
0.56 |
0.48 |
2.7 |
4.65 |
0.23 |
11.73 |
3.22 |
|
Bt1 |
35-100 |
5.4 |
0.48 |
0.24 |
1.1 |
1.89 |
0.06 |
13.00 |
3.18 |
|
Bt2 |
100-200 |
5.6 |
0.56 |
0.56 |
0.58 |
1.0 |
0.05 |
11.60 |
3.08 |
|
Pedon 2 |
|||||||||
|
Ap |
0-20 |
5.6 |
0.72 |
0.48 |
3.0 |
5.17 |
0.26 |
11.53 |
3.94 |
|
BA |
20-45 |
5.2 |
1.2 |
2.8 |
1.9 |
3.3 |
0.16 |
11.87 |
3.26 |
|
Bt |
45-120 |
5.3 |
4.0 |
3.92 |
1.1 |
1.9 |
0.09 |
12.22 |
3.11 |
Where pH = soil reaction with water (1:2.5), Exch.: Exchangeable; OC: Organic Carbon; OM: Organic Matter; TN: Total Nitrogen; C/N: Carbon to Nitrogen Ratio; P: Phosphorous