桉树已成为湖南湘南地区栽培的主要纸浆林树种。
The Eucalyptus was the main pulp forest species in southern Hunan.
苹果是世界果树栽培面积较广、产量较多的树种之一，具有广阔的国际市场空间。
Apple is one of the fruit-tree species with large production area and abundant yield in the world, having great potential space on the international market.
落叶松是一个分布广，易栽培，早期生长快的树种，因此，研究落叶松幼、中龄林主要测树因子的生长规律，对落叶松的早期管理有着很重要的指导意义。
Larch is a tree species that is widely and easily planted, so it is important for early management to study growth pattern of principal measurement factor in young-and middle-aged stands.
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