From: Modelling the variation in wood density of New Zealand-grown Douglas-fir
Location | Planting year | Number of stands | Adjusted mean outerwood density (kg m−3) |
---|---|---|---|
North Island | Pre-1940 | 96 | 398 a |
1940–1969 | 73 | 413 a | |
Post-1969 | 13 | 458 b | |
South Island | Pre-1940 | 19 | 462 b |
1940–1969 | 86 | 452 b | |
Post-1969 | 25 | 451 b |