Picea schrenkiana
Xueling spruce: it is an evergreen tree of Pinaceae spruce, up to 30 meters to 40 meters high, with a cylindrical or steeple-shaped crown and graceful posture.
Xueling spruce is not only cold-resistant, but also moisture-resistant, shade-tolerant and strong. It is a rare evergreen tree species in * * area and should be vigorously promoted.
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Transplanting technique of large seedlings of Picea koraiensis
Xueling spruce is a unique tree species in Tianshan forest sea, evergreen trees with needle-shaped leaves and slightly curved leaves. The fruit ball is long oval, brown, seedlings are shade-tolerant, not resistant to sunburn, frost and drought, usually regenerate well under broad-leaved forest and grow exuberantly under moderate moist conditions and full light. The crown of Snow Ridge spruce is long and narrow, the trunk is stout and straight, and the tree is vigorous and straight. With the improvement of social economy and people's living standards, people pay more and more attention to the construction of urban greening.
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A new excellent leaf tree-Metasequoia glyptostroboides
Metasequoia glyptostroboides (Metasequoiaglyptostroboides) is the only remaining species of Taxodiaceae and Metasequoia. The species was once thought to be extinct until it was discovered in Lichuan, Hubei Province in 1941, and then it was also found in Wanxian County, Sichuan Province. In 1947, the seeds of Metasequoia glyptostroboides were introduced to Arnold Tree Garden in the United States, and from there they spread to botanical gardens around the world. In 1948, Metasequoia glyptostroboides and its scientific name were officially named, and from then on in China and even in the world.
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