Sample-tree age 标准木龄
tree-age 树龄
seed-tree age 母树年龄
Tree age rings 树龄年轮
mother tree age 母树年龄
tree-age measurement method 测龄法
age of tree 树龄
same-age tree 同龄树
bearing-age tree 结果树
The total nutrient pools per hectare increased with increasing tree age.
每公顷养分储量随林龄增加而增加。
参考来源 - 桉树人工林生态系统中林木生长、养分平衡与地力维护研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Description of the tree diameter growth using tree age as independent variable may thus give an inflection point of the growth curve.
树木直径的实际生长年龄小于树木年龄，用树木年龄作为自变量来描述直径生长会导致生长曲线出现拐点。
This paper had investigated fiber form and crystalline degree of Larix kaempferi in different tree age and different vertical location within a stem.
为深入了解日本落叶松的纤维特性，该研究对不同树龄和不同部位日本落叶松的纤维形态和纤维素结晶度进行了分析。
The succession of plant populations to primary stands may described by "decrease rate of tree number"divided by 1~10 years old of the "average tree age".
能够进入初始林分的“苗木群体” ，可由“平均苗龄” 1～ 10年刻划的“苗木株数递减率”来描述。
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