Official Journal of the Japan Wood Research Society
Factor | Unit | n | Heartwood (H) | Sapwood (S) | H/S | |||
---|---|---|---|---|---|---|---|---|
Mean | SD | Mean | SD | Mean | SD | |||
137Cs concentration | Bq/kg dw | 12 | 20 | 8 | 16 | 5 | 1.4 | 0.8 |
Potassium content | g/kg | 12 | 2.31 | 1.13 | 0.91 | 0.37 | 2.64 | 1.16 |
Moisture content | % | 12 | 137 | 66 | 238 | 23 | 0.59 | 0.30 |