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- It is recommended to reserve Korean Pine and broadleaved tree species for current mixed Larch-Spruce-Fir stands to develop towards deciduous Korean Pine forest. 从枯损和进界看,如果能对红松和阔叶树进行保护,这种林分很可能逐渐演化为阔叶红松林。
- Stand development during the 12 years following thinning was characterized by high mortality in the unthinned stands, which occurred primarily for larch and broadleaved tree species. 伐后对照样地表现为较高的枯损,枯死木主要是落叶松和阔叶树。
- The results show that there is an evident difference between stand growth of various broadleaved tree species,which shows as Choerospondias axillaris>Liriodendron chinense>hybrid L. 对不同阔叶树种和不同混交林模式的林分生长状况进行测定,结果表明:不同阔叶树种的林分生长存在明显差异,表现为南酸枣>马褂木>杂种马褂木>桤木>观光木>木荷。
- indigenous broadleaved tree species 乡土阔叶树种
- evergreen broadleaved tree species 常绿阔叶树种
- Growth responses of four northern broadleaved tree species to soil Cd stress 四种北方阔叶树种苗木对土壤镉胁迫的生长反应与抗性比较
- Impact of automobile exhaust on membrane lipid peroxidation and protective enzyme activities in seedlings foliage of four northern broadleaved tree species 汽车尾气污染对四种北方阔叶树苗木膜脂过氧化和保护酶活性的影响
- broadleaved tree species 阔叶树种
- The tree species structure optimizing result: broadleaved species ascend from 27% to about 50%, needle species decreased, P. Thunbergii area lowed from 62.85% to 33.10%, the integrate proportion of needle and broadleaved species is closed to balance. 树种结构优化决策结果是扩大了阔叶树种比重;由原来的27%25左右上升到50%25左右; 降低了针叶树种比重;黑松树种占的面积由原来的62.;85%25下降到33
- 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。
- 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。
- The Comparison of Frozen Resistance of Several Tree Species of Ilex L. 几种冬青属植物抗冻能力比较。
- Pioneer Tree Species for Forestation in Sandy Land--Hippophae rhamnoides L. 沙地造林的先锋树种-沙棘。
- For the majority of tree species this method appears to be very well suited. 对于大多数树种来说,这个方法看来都是适合的。
- Some other applications of ornamental tree species were also introduced. 文中还介绍了观赏树木其它方面的用途。
- The more steady ascendent tree species are Q. acutissima, L. formosana, etc. 稳定的优势树种为麻栎、枫香等。