论文部分内容阅读
据记载红松在我省的栽培史较为悠久,造林经验比较丰富。但是,在各种立地条件上,红松生长的怎样,研究的不多,特别是究竟哪些立地条件对红松的生长影响大?哪些影响小?还未见有过全面的报导,致使红松造林难以确切地做到适地适树从而达到速生丰产的要求。为了提供红松造林选地的依据,我们对适宜红松生长的丹、抚、本地区内各种立地条件上,每公顷6 666株造林密度的12年生
According to records of Korean pine cultivation history in our province a long time, afforestation experience more abundant. However, in a variety of site conditions, how the growth of Korean pine, research is not much, in particular, which site conditions on the growth of Korean pine great impact and what impact? Have not seen a comprehensive report, resulting in Korean pine Afforestation Difficult to do exactly the appropriate tree so as to achieve fast-growing yield requirements. In order to provide the basis for the selection of Korean pine forest, we selected 6 666 afforestation densities per hectare for 12 years at various site conditions