Weigela floribunda ve Spiraea x vanhouttei'nin çelik ile üretilmesinde farklı sera ortamları ve büyüme hormonlarının köklenme üzerine etkileri Effects of different greenhouse media and hormones on Propagation by Cutting of Weigela floribunda and Spiraea x vanhouttei
Oriental spruce is one of particular spruce species in Turkey and is spread between 40°23′-43°50′ northern latitude and 37°40′-44°13′ eastern longitude. 135,959 ha. of total 350.000 is purely populated by the Oriental spruce [1, 2]. Only 82,361 ha of 135,959 ha contain industrial-quality trees, and the rest is known as an unproductive area [3]. In Turkey, all pure oriental spruce forests have been managed without considering ages and structures of the trees. This limits diversity that might have occurred. On the other hand, the determination of stand structures has brought up the importance of stand structure [4, 5]. Stand is forest ecosystem itself and the basis of a forest in respect of constituting the least unit and it means production, maintenance-regeneration, and protection activities [6]. When using the number of
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