Sand (g kg-1) |
Sand = 492.670 + 9238.361B1 - 17757.3B7 + |
0.71 |
106.31 |
21.36 |
13103.650B8 - 16954.5B13 + 9377.436B16 + |
9137.825B19 + 35906.619H5 - 9926.709H8 - |
2483.122H12 |
Clay (g kg-1) |
Clay = 344.485 + 21560.041H2 + 1973.068B7 - |
0.75 |
63.8 |
20.65 |
3895.359B21 - 10231.5H5 - 30019.3B3 + 21789.511B5 |
+ 6386.753B4 + 2877.608H8 + 6253.900B13 - |
4353.122B16 |
pH H20 |
pH H20 = 5.548 + 47.487H8 - 105.410H5 + 31.770H7 + |
0.19 |
0.45 |
6.88 |
15.732H10 |
pH KCl |
pH KCl = 4.984 + 18.388H10 + 48.163H8 + 15.798H9 |
0.24 |
0.46 |
7.99 |
- 111.463H5 + 23.865H7 + 12.211H3 - 3.828H4 |
OM (g kg-1) |
OM = 24.887 - 160.911H4 - 91.569B21 - 185.125H3 |
0.32 |
4.16 |
37.88 |
- 282.773H5 |
P (mg kg-1) |
P = (0.84 + 2.016H3 + 7.911H5 - 1.408H8 - O.839H11 |
0.31 |
11.29 |
57.54 |
+ 0.994H4 + 0.196H12) -10 |
K (mmolc kg-1) |
K = 10(-0.225 + 11.788H11 - 15.520H3) |
0.1 |
1.08 |
106.42 |
Ca (mmolc kg-1) |
Ca = 10(1.311 + 4.059H10 + 40.654H8 + 9.541H9 |
0.42 |
8.21 |
47.03 |
- 56.672H5 + 17.047H7) |
Mg (mmolc kg-1) |
Mg = (0.810 + 4.797H6 - 5.059H8 + 2.575B6 - |
0.41 |
0.15 |
9.04 |
1.023H12 - 2.594B7 - 2.695H7 + 8.576H5 + 0.751B22 |
+ 2.761H1) -10 |
H+Al(mmolc kg-1) |
H+Al = (5.797 + 26.891H11 + 63.635H5 + 27.232H1 |
0.16 |
9.03 |
25.80 |
- 30.428H3 + 23.O31H9) 2 |
Al (mmolc kg-1) |
Al = 1.738 + 462.350H5 - 136.687H8 - 41.460H3 |
0.17 |
1.79 |
|
- 77.124H10 - 128.800H7 + 61.322H1 + 17.605H4 |
SB(mmolc kg-1) |
S = 10(1.581 + 27.440H8 - 48.716H5 + 20.635H7 |
0.44 |
10.67 |
44.57 |
- 7.646H4 - 12.603H1 - 2.866B22) |
CEC(mmolc kg-1) |
CEC = 10 (1.181 - 8.391H6 + 13.141H8 + 5.667H9 |
0.46 |
12.69 |
20.12 |
- 16.127H5 - 2.748B4 + 4.860B7 - 3.017B19) |
m = 6.629 + 378.088H4 - 958.070H7 - 1274.963H8 + |
m (%) |
3918.480H5 + 520.241H1 + 176.662B22 - 191.126B4 |
0.28 |
13.74 |
|
- 372.065H10 |
V (%) |
V = 46.148 + 465.445H10 + 1733.207H8 + 333.806H12 |
0.29 |
13.79 |
38.72 |
- 892.560H6 - 3230.406H5 + 1174.916H7 |
Fe2O3 (g kg-1) |
Fe2O3 =10(1.242 + 30.182H7 + 8.823H11 - 9.005H9 |
0.82 |
3.53 |
24.13 |
- 5.283H4 - 5.957B2 + 5.860H3) |
SiO2 (g kg-1) |
SiO2 = 10(1.291 - 6.225B22 + 1.396B5 - 4.150H11 |
0.59 |
2.12 |
20.07 |
- 2.955H13 + 2.926B14) |
Al2O3 (g kg-1) |
Al2O3 = 10(1.373 - 5.714B20 - 2.883H2 + 6.810B13 |
0.81 |
2.21 |
16.9 |
- 4.254B17) |
Ki |
Ki = 1.391 - 15.875H11 + 10.696H2 + 15.438H3 |
0.61 |
0.19 |
13.4 |
- 25.592H9 + 26.745H7 + 2.890B18 |