| 1 - Soils in this class have no significant limitations in use for crops. |
| 2 - Soils in this class have moderate limitations that restrict the range of crops or require moderate conservation practices. |
| 3 - Soils in this class have moderately severe limitations that restrict the range of crops or require special conservation practices. |
| 4 - Soils in this class have severe limitations that restrict the range of crops or require special conservation practices. |
| 5 - Soils in this class gave very severe limitations that restrict their capability in producing perennial forage crops, and improvement practices are feasible. |
| 6 - Soils in this class are capable only of producing perennial forage crops, and improvement practices are not feasible. |
| 7 - Soils in this class have no capacity for arable culture or permanent pasture. |
| 0 - Organic Soils (not placed in capability classes). |