Tree-ring width of Castanea sativa from historical object sample 2144B/08A, Netherlands, Groningen@en

Species: Castanea sativa; No of rings: 140; Age not determined; Pith: not applicable; Heartwood: absent; Sapwood: unknown; Number of sapwood rings: 0; Last ring under bark: present本样本物种为欧洲栗（Castanea sativa）；年轮总数为140；未测定其树龄；髓心不适用；心材缺失；边材情况未知；边材年轮数为0；树皮下方存在最后一轮年轮。