black ash spruce黑云杉
black hills spruce黑丘云杉;州树黑丘云杉
swamp black spruce黑云杉
Black Spruce Picea mariana黑云杉
Boreal Black Spruce黑云杉林
Black Spruce Hydrosol具有镇痛疗效
Through Black Spruce走出黑云杉林
BLACK SPRUCE ORGANIC有机黑云杉
Spruce Black黑云杉
To understand the seedling trait performance from different black spruce(Picea mariana) provenances with varied light treatments and to establish efficient propagation technique system with supplemental light,container seedlings of 10 black spruce provenances from Canada were treated by 3 light sources of fluorescent lamp,sunlight dysprosium lamp and tungsten lamp.
为了解光照处理下不同种源苗木的性状表现,建立高效的黑云杉补光育苗技术体系,用日光灯、日光色镝灯和碘钨灯3种光源对10个引自加拿大的种源容器苗进行了补光处理试验。
参考来源 - 补光处理对黑云杉不同种源苗木生长的影响N（名词） a coniferous tree, Picea mariana, of the northern regions of North America, growing mostly in cold bogs and having dark green needles 黑云杉 (Also called spruce pine)