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N. Vance ; Seminar series on sustainable forestry, Corvallis, USA, October-November 1995 (1995; USA) ; J. Thomas | Washington, USA : USDA Forest service | General technical report GTR-WO-63 | 1997Although North American forests traditionally have been viewed as a source of wood and paper, a variety of profitable products are being discovered that come not only from trees, but from nonwoody plants, lichens, fungi, algae, and microorganism[...]
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T. Landis ; R. Tinus ; J. Barnett | Washington, USA : USDA Forest service | Agriculture handbook n° 674 | 1999Volume six shows how to develop growing schedules and how seedlings are propagated through the three growth phases. It presents the following chapters : - Crop Planning ; - Seedling Growth and Development ; - Constructing a Propagation Protocol [...]
