| 1. | Seed crops are collected from both natural stands and plantations which may have been culled to form seed stands . 种子采自天然林和人工林,两者都可能是经过去劣留优作为母树林的。 |
| 2. | Study on the stand density of pinus massoniana 三明地区马尾松人工林经营密度研究 |
| 3. | Nutrient curve of eucalyptus abl12 plantation 刚果12号桉无性系人工林养分曲线 |
| 4. | A preliminary shudy on poplar - wheat intercropping patterns 杨树人工林林麦间作研究初报 |
| 5. | Study development of ecological effect of eucalyptus plantation 桉树人工林生态效应研究进展 |
| 6. | Water resources conservation function of chinese fir plantation 杉木人工林水源涵养功能研究 |
| 7. | Review and prospect of eucalypt genetic breeding 桉树遗传改良是我国人工林树种改良成功的范例 |
| 8. | Pinus plantation of pines new zealand 1987 1987年新西兰的松树人工林 |
| 9. | Effect of tending method on ecosystem of chinese fir plantation 抚育方式对杉木人工林生态系统的影响 |
| 10. | Study on biomass and productivity of larix kaempferi plantation 日本落叶松人工林生物量及生产力的研究 |