| 1. | Many further details of poplar breeding and culture in europe are contained in a book by schreiner .
欧洲杨树育种和栽培的许多更详细的阐述可参阅席莱纳尔所著一书。 |
| 2. | Nursery stock - specification for poplars and willows
苗圃.第5部分:杨树和柳树规范 |
| 3. | Temperature dependence of poplar canker pathogen
杨树溃疡病菌温度依赖性的研究 |
| 4. | Study on the single - line biomass of clone of populus
杨树无性系单株生物量研究 |
| 5. | A preliminary shudy on poplar - wheat intercropping patterns
杨树人工林林麦间作研究初报 |
| 6. | A poplar tree , especially a cottonwood
三角叶杨一种杨树，尤指三角叶杨 |
| 7. | Insect - resistant transgenic poplar expressing aait gene
基因杨树的获得 |
| 8. | Chemical weeding techniques of poplar seedling cultivation fields
杨树育苗地化学除草技术 |
| 9. | Usual issues in nomination of poplar species
杨树品种命名中常见问题 |
| 10. | Strange fruit hanging from the poplar trees
奇特的杨树还挂着果实 |
