Production capacity of the site in kilograms per hectare and year based on the total mean increment (TMI) according to Keller (1978) - in four classes. Low: TMI ≤1500 kg/(ha/year), moderate: TMI 1501-3000 kg/(ha/year), good: TMI 3001-4500 kg/(ha/year), very good: TMI >4500 kg/(ha/year).
| Code | Text | NFI1 | NFI2 | NFI3 | NFI4 | NFI4b | NFI5 |
|---|---|---|---|---|---|---|---|
| -1 | n/a | x | x | x | x | x | x |
| 1 | low | x | x | x | x | x | x |
| 2 | moderate | x | x | x | x | x | x |
| 3 | good | x | x | x | x | x | x |
| 4 | very good | x | x | x | x | x | x |
last calculated: 22.09.2025 20:12:09