五针松疱锈病国内研究概况。
Research Advancement of Five-needle Pine Blister Rust in China P. r.
本文研究了中国五针松组松脂的化学特征。
Chemical characteristics of oleoresins of sect, strobus in Chinese pine species were studied.
研究表明,美国五针松和火炬松在边缘土地上长势很好。
Studies have shown that the white pine and loblolly pine are two kinds of trees that grow well on marginal land.
白色木质且光滑的一种五针松,幼树树皮呈浅灰色;特别指东部白松。
Any of several5-needled pines with white wood and smooth usually light gray bark when young; especially the eastern white pine.
喀纳斯自然保护区内,不但有五针松纯林,还有五针松与云杉或冷杉的混交林。
Within the Kanas Nature Reserve, grow pure forest of stone pine as well as mixed forest of stone pine with spruce or stone pine with fir.
秘鲁具有丰富的松树资源,主要树种有展松、 辐射松、粗糙枝松和粉枝五针松等。
Pine resources are abundant in Peru. Main pine species are Pinus patula, P. radiata, P. montezumae and P. pseudostrobus .
秘鲁具有丰富的松树资源,主要树种有展松、 辐射松、粗糙枝松和粉枝五针松等。
Pine resources are abundant in Peru. Main pine species are Pinus patula, P. radiata, P. montezumae and P. pseudostrobus .
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