您要查找的是不是：
- Populus simonii forest 杨树林
- The results show that Populus simonii x nigra and Pinus sylvestris vat. mongolica protection forest can increase the soil waterstorage capacity in shelterbelt networks. 防护林可增加林网内土壤贮水量；
- Phenological phase changes of populus simonii have not obvious response to precipitation and sunshine. 小叶杨物候期的变化对降水和日照的响应不明显。
- Effects of Site Condition on Growth and Spatial Differences of Soil Nutrient in Populus simonii Carr. 与相似的文献。
- Natural phenology of populus simonii is different in different regions of Eastern Inner Mongolia. 小叶杨自然物候现象存在着明显的地域性差异。
- Abstract: By determination and theory, actual consumption of Populus simonii x nigra was analysed and studied. 文章摘要: 通过观测和理论推导，分析研究了小黑杨幼龄林对土壤水的实际消耗量。
- The gradation is: Hippophae rhamnoides + Leymus chinensis > Hippophae rhamnoides > Populus simonii + Salix matsudana+Hippophae rhamnoides > Populus simonii + Hippophae rhamnoides. 土壤养分含量大致顺序为：沙棘+羊草＞沙棘＞杨树+柳树+沙棘＞杨+沙棘；
- The results showed the salt-tolerance ability of Populus simonii was better than other poplar species, follow was Liaoning poplar, and Triploid poplar just could survive with salt-drained engineer. 结果表明，小胡杨的生态适应性较强，其次是辽宁杨，毛白杨在排盐工程措施条件下也可以栽植。
- STUDY ON GROWTH LAW OF POPULUS SIMONII CARR 小叶杨生长规律的研究
- Populus simonii Carr. × P. nigra L. 'Fongliao' 通辽杨
- Populus simonii × P. pyramidalis c.v 合作杨
- Trial on the mixed plantation of Sabina virginiana and Populus simonii, 铅笔柏与小意杨混交效果测定
- The forest will act as a defense against desert dust. 森林能起防御沙漠灰沙的作用。
- It is said that there are wolves in this forest. 据说这片森林里有狼。
- A large part of Africa is made up of thick forest. 非洲的大部分地区都是密林。
- There is a leafy forest in our hometown. 在我们的家乡有一片树叶茂密的森林。
- There is a pine forest near our house. 我们家附近有片松树林。
- Billows of flame swept through the forest. 熊熊烈火席卷森林。
- The forest was almost impassable. 森林几乎不可逾越。
- Behavioral Response of Helicoverpa amigera to Crude Extract of Populus simonii Carr 棉铃虫对小叶杨粗提物的行为反应
