Official Journal of the Japan Wood Research Society
Table 4 Number of lumber and frequency percentage of each grading class of lumber in each species
From: Preliminary evaluation for quality of dimension lumber in four common softwoods in Mongolia
Grade | Pinus sylvestris | Pinus sibirica | Picea obovata | L. sibirica |
|---|---|---|---|---|
SS | 56 (91.8) | 32 (82.1) | 24 (35.8) | 12 (32.4) |
No.1 | 1 (1.6) | 0 (0.0) | 13 (19.4) | 0 (0.0) |
No.2 | 0 (0.0) | 2 (5.1) | 20 (29.9) | 10 (27.0) |
No.3 | 0 (0.0) | 1 (2.6) | 3 (4.5) | 4 (10.8) |
Out | 4 (6.6) | 4 (10.3) | 7 (10.4) | 11 (29.7) |
Total | 61 (100.0) | 39 (100.0) | 67 (100.0) | 37 (99.9) |