青海青杨雄株优势研究

[目的]研究青海省青杨雄株优势。[方法]对设置的14块标准地进行每木捡尺,并伐取测算了树干解析木,掌握青杨雌雄株主要生长阶段的数据。[结果]青杨雄株胸径、树高、材积生长完全超过雌株。[结论]该研究为今后青杨造林的优树选择和大面积优质速生青杨林的营造提供了理论依据。

Male Plant Advantage of Populus cathayana in Qinghai Province

[Objective]To study the male plant advantage of Populus cathayana in Qinghai Province.[Method]The 14 pieces of standard ground were set up,and the log was measured and the data of the main growth stage was mastered.[Result]The DBH,height and volume of male of P. cathayana were completely more than the female.[Conclusion]This paper provided a theoretical basis for the selection of the optimal tree for af-forestation in the future and the construction of a large area of high quality fast-growing green forest.