| Soil Properties |
Fertility Classes |
| Critical Level |
Low |
Medium |
High |
| Organic matter (%) |
2.00 |
0- 2.0 |
2.0-3.0 |
>5.0 |
| Acidity (pH) |
- |
6-6.9 |
5.0-5.9 |
<5.0 |
| Total N (%) |
0.15 |
0 - 0.15 |
0.15 - 0.20 |
>0.20 |
| Available P (mg/kg) |
8.50 |
0 - 8.50 |
8.5 - 12.50 |
>12.50 |
| Exchangeable Cations (Cmol/kg) |
|
|
|
|
| K |
0.16 |
0 -0.16 |
0.16 - 0.31 |
>0.31 |
| Ca |
1.50 |
0 - 1.50 |
1.60 - 4.0 |
>4.0 |
| Mg |
0.28 |
- |
- |
- |
| Source:Ayodele and Agboola[33] |
|
