铁坚杉引种试验研究

Study on Introduction of Heiligetanne

通过对26年铁坚杉引种试验研究结果表明，标准株树高、胸径和单株材积分别是17．5m、43．93cm、1．4325m^3，生长迅速；形质指标高，适应性较强，且已开花结实，树干基部能萌生枝条。

The results of 26-year period of experiment on Heiligetanne （Keteleeria davidiana Beissn） showed that the stand＇s average height, diameter and individual volume reached 17.5m、43.93cm and 1.432m^3 respectively. The tree possesses good adaptation and grows quickly. Botanical and quality indices of the tree,such as crown, shape of canopy, resistance to insect pest and so on are satisfied.