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- Machilus pauhoil is a good evergreen broad-leave tree species with wide uses.It has a high ornamental value so that it is also a garden afforestation tree species. 刨花楠是一具有广泛用途的优良常绿阔叶树种,也是一种园林绿化树种,观赏价值很高。
- introducing afforestation tree species 引种树种
- Using the theory of SPAC and the method of control experiment, the biology and growth behavor of young trees of the main afforestation tree species under different water conditons were studied. 基于水分因子是反映黄土高原不同造林立地类型宜林性，以及影响林木生长的主导环境因子这一观点，运用SPAC理论，通过控制试验，研究主要造林树种幼树在不同水分梯度下的生理及外观反应。
- urban afforestation tree species 城市绿化树种
- Characteristics of seedlings water consumption by transpiration of main afforestation tree species in north China 北方主要造林树种苗木蒸腾耗水特性研究
- Leaf Water Potential Change of Four Common Afforestation Tree Species under Different Soil Water Conditions in the West of Shanxi Province 晋西常见造林树种叶水势变化研究
- main afforestation tree species 造林树种
- afforestation tree species 造林树种
- PRELIMINARY STUDY ON INTENSITY OF GROWTH OF SEVERAL AFFORESTING TREE SPECIES 几种造林树种生长势的初步研究
- It's one of the tree species I have just learned to know. 我刚认识的树种。
- China has the world's most ancient tree species -- metasequoia. 中国有世界最古老的树种 --水杉。
- Dormancy Depth of Several North-east China Tree Species. 东北几个树种苗木的休眠深度
- Shanxi allspice tree species of medicinal and spice. 山西香果药用及香料树种。
- Lower slopes of the upper dry rainforest tree species. 为低山坡干性雨林中上层乔木树种。
- Experiment of afforestation with multiple tree species using solid water was carried out on the wasteland of Longqingxia in Yanqing County, Beijing to select suitable tree species. 为进一步选择应用固体水效果较好的树种，为今后困难立地造林树种选择提供参考，于2004年4月在北京市延庆县龙庆峡荒滩进行固体水多树种造林应用试验。
- Study on the Selection Inquiring System of Afforesting Tree Species in Daqing City 大庆市绿化树种选择查询系统的研究
- This paper introduces the techniques of afforestation,selection of relevant tree species andmajor factors affecting their survival and growth in a municipal waste landfill site in Hudao,Qingdao. 通过在青岛湖岛垃圾场的现场试验，研究了城市垃圾填埋场上植树造林的方法、适宜树种的筛选以及影响树木成活和生长发育的主要因素。
- Moreover, some effective measures for decreasing the occurrence of pest and disease on street afforestation trees are put forward in terms of the improvement of soil properties. 从改善街路土壤性质入手，提出了相应的减少街路绿化树木病虫害发生的有效措施。
- To afforest trees and to build terraced fields are also essential for controlling soil erosion. 坚持植树造林，修筑梯田控制水土流失。
- It is 700 metres in length and introduces 20 tree species along the walk. 树径全长700米,介绍沿途20种树木植物。
