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Titlebook: Clonal Forestry II; Conservation and App Mulkh-Raj Ahuja,William J. Libby Book 1993 Springer-Verlag Berlin Heidelberg 1993 Baum.Conservatio

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樓主: STH
21#
發(fā)表于 2025-3-25 06:02:26 | 只看該作者
. State-of-the-art science and casehistories treating production, testing, multiplication anddeployment of clones are presented. Agroforestry,urbanforestry and christmas-tree farming are covered, along withmoretraditional multiple-use forestry and high-intensityforestry for biomass,wood and fiber pr
22#
發(fā)表于 2025-3-25 10:00:21 | 只看該作者
Modelle von Halbleiterbauelementen,to widespread and through great genetic diversity within species. Forests purify water and cleanse the atmosphere. And, to increasingly crowded urban denizens, forests provide valued opportunities for solitude and recreation.
23#
發(fā)表于 2025-3-25 14:04:36 | 只看該作者
Strategies for Clonal Forestry with Poplars, Aspens, and Willows,r (Christersson 1987 a,b). Furthermore, these fast-growing trees can enrich the forests of the higher-latitude regions, which are often lacking in tree variety, and give a new appearance to parts of the open landscape where there are few trees and bushes.
24#
發(fā)表于 2025-3-25 15:48:42 | 只看該作者
Strategies for Clonal Forestry with Norway Spruce,the volume gains were sometimes correlated with larger risks, associated with both loss of hardiness and lower stem quality. Nevertheless, as of 1990, most of the gains that have been realized result from appropriate research-based provenance transfers.
25#
發(fā)表于 2025-3-25 21:04:58 | 只看該作者
Clonal Forestry in the Eucalypts,ed breakthrough successes with rooted cuttings (Fig. 1); its foresters have received the prestigious Wallenberg Prize from Sweden in recognition of their pioneering efforts (Wallenberg Foundation 1984).
26#
發(fā)表于 2025-3-26 01:21:50 | 只看該作者
27#
發(fā)表于 2025-3-26 06:57:23 | 只看該作者
28#
發(fā)表于 2025-3-26 10:58:09 | 只看該作者
29#
發(fā)表于 2025-3-26 15:42:25 | 只看該作者
30#
發(fā)表于 2025-3-26 19:40:11 | 只看該作者
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