Growth Traits of Toona Ciliata under Different Fertilization Levels in Guangdong Province

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Advance in Forestry Research is an international comprehensive professional academic journal of Ivy Publisher, concerning the development of forestry cultivation and protection. The main focus of the journal is the academic papers, comments and research review of latest improvement in the fields of forestry engineering, forestry science & technology, forestry economic management, aiming at providing a good communication platform to transfer, ... [More] Advance in Forestry Research is an international comprehensive professional academic journal of Ivy Publisher, concerning the development of forestry cultivation and protection. The main focus of the journal is the academic papers, comments and research review of latest improvement in the fields of forestry engineering, forestry science & technology, forestry economic management, aiming at providing a good communication platform to transfer, share and discuss the theoretical and technical development of electrical theory development for professionals, scholars, researchers and administrative staffs in this field, reflecting the academic front level, promote academic change and seize the theory, practice front line, research level and development direction of forestry science theory.

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Growth Traits of Toona Ciliata under Different Fertilization Levels in Guangdong Province

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Author: Shijun Wu, Jianmin Xu, Guangchao Chen, Yang Hu, Guangyou Li, Yingan Zhu, Xiaoling Chen

Abstract: Toona ciliate, which belongs to Toona of Meliaceae, is a rare and native timber species in China. However, little progress has been made in the cultivation of Toona ciliate. The height and diameter at breast height of Toona ciliata were assessed for fertilization cultivation techniques aged 1 year. Analysis of variance showed that there were significant differences on height among different treatments and replicates and the difference on diameter at breast height among different replicate was also significantly. Treatment with 200 g urea (N > 46.5%) + 60 g superphosphate (P2O5 > 12.0%) + 100 g potassium chloride (K2O > 60.0%) could improve the height and diameter at breast height of Toona ciliate. In summary, more fertilizer could not always improve the growth traits and the site location could affect the growth significantly, therefore more test trials should be carried out before diffusion.

Keywords: Precious Species; Nitrogen Fertilizer; Toona Ciliata; Growth Traits

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