| УДК |
Аннотация: Mankind will depend on renewable resources produced at low energy cost-such as forest products. Greater demands will require increased growth as well as utilisation with reduced loss. After a certain age, trees form heartwood containing increased amounts of extractives which are also formed in injured sapwood or are exuded. Their presence can provide trees with resistance to disease and forest attack, and they can also affect the efficient utisation of wood. In this book different facets of heartwood, extractives and exudates are reviewed as a whole for the first time. Basic biological and chemical aspects are brought together in a systematic fashion and will be invaluable for biologists, wood scientists and technologists
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