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- tree species in afforestation 绿化树种
- Tungoiltree is one of the endemic industrial oil tree species in China. 油桐是我国特有的工业用油料树种。
- Michelia chapensis is one of the endemic garden tree species in China. 乐昌含笑是中国特有的经济、园林树种之一;
- One reason is the stable price of most commercial tree species in tropical forests. 原因之一是热带森林的大多数商业树种的价格平稳少变。
- The U values of McIntosh index were all above 1, which also proved the tree species in communities were not too many. McIntosh指数的U值均大于1,也证明了群落中的乔木种数不是太多。
- Abstract: Poplars are the most important tree species in plantation forest for pulpwood production in China. 摘 要: 杨 树是我国当前最重要的纸浆用材造林树种之一,为了揭示白腐菌对五种杨树无性系木材性质的影响,为杨树的加工利用提供理论依据和科学依据。
- Star anise is an important spice tree species in the southern subtropical zone of China and primarily grows in Guangxi. 八角主产广西,是南亚热带重要的香料树种。
- K+ W) value is specified for selecting tree species in forestation and tending thinning. 值对选择造林树种和抚育间伐具有一定的指导意义。
- Eucalypt,a fast growing tree species intorduced from outside,is one of forestation tree species in south of China. 尾巨桉是我国从国外引进桉树后改良的一种速生树种,是我国南方各省主要造林树种之一。
- Worse, these fires can utterly destroy forests of Ponderosa pine, the dominant tree species in the West. 更糟的是,这种大火可能摧毁黄松(Ponderosapine)森林,那是美国西部主要的树种。
- Breakingfruit Chinkapin and eucalypt are the representational tree species in south of China. 黎蒴栲和尾巨桉是中国南方两种比较具有代表性的速生树种。
- Sub-tropical tree species in the western mountain sumac has a broad distribution. 亚热带树种漆树在西部山区有着广泛分布。
- A study on interspecific association of principal tree species in the communities including Quercus variabilis on the Qinling and Bashan Mt. 秦巴山地栓皮栎所在群落主要乔木树种种间联结性的研究。
- Major tree species in the southwest include the dragon spruce, fir and Yunnan pine, as well as teak, red sandalwood, camphor, nanmu and padauk. 其次为西南天然林区,该区主要树种有云杉、冷杉、云南松,还有珍贵的柚木、紫檀、樟、楠、红木等;
- Effect of Soil Moisture Status on Some Eco-Physiological Indexes of Dominant Tree Species in the Pine Broadleaf Forest of Changbai Mountain. 土壤水分状况对长白山阔叶红松林主要树种叶片生理生态特性的影响
- The color feature parameters for wood surface of four common tree species in Northeast China were determined and compared. 按颜色参数用自组织竞争神经网络进行了分类。
- THE PRELIMINARY STUDY OF THE CORRELATIONS BETWEEN THE DISTRIBUTION OF MAIN EVERYGREEN BROAD-LEAF TREE SPECIES IN JIANGSU AND CLIMATS. 江苏主要常绿阔叶树种的分布与热量关系的初步研究
- As a excellent tree species in the Pinus pinaster, slash pine is provided with fine biological characteristics and economic value. 湿地松有有优良的生物学特性和经济价值,是松属中的优良树种。
- The regressive equations had remarkable precision available for using biomass to predict biomass of main tree species in this area. 回归方程精度较高,用于根据地区常绿阔叶林主要树种材积推算其生物量是可行的。
- Acacia crassicarpa is the one of main forestation tree species in the South of our country which was imported in recent years. 厚荚相思是近年来我国南方引进的主要营林树种之一,它具有适应性强、速生丰产、改良土壤、用途广泛等特点。