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The Preliminary Study on Seedling and Afforestation of Native Trees in Karst Region of Guangxi
Author(s): Lü Shi-hong, LI Xian-kun, LU Shu-hua, XIANG Wu-sheng, QIN Jia-ke, OU Zu-lan, WANG Xiao-ying
Pages: 236-
240
Year: 2006
Issue:
3
Journal: GUANGXI SCIENCES
Keyword: 岩溶; 乡土树种; 育苗; 造林;
Abstract: 观察测定2002~2005年期间,在广西平果县果化镇龙何生态重建示范区内育苗与造林的20种岩溶乡土树种的苗木成活率和植株生长量.结果表明,苗圃育苗的19种岩溶乡土树种的种子的发芽率较高,苗木生长比较正常,大部分树种的苗木均表现出早期生长慢、后期生长快的势头.直播造林的树种中,以苏木(Caesalpinia sappan)的苗木最好,蒜头果(Malania oleifera)和南酸枣(Choerospondias axillaries)的苗木次之,其他种类则较差;植苗造林的苗木成活率多在80%以上,生长速度较快的树种主要有茶条木(Delavaya toxocarpa)、伊桐(Itoa orientalis)、楹树(Albizzia chinensis)、广西顶果木(Acrocarpus fraxinifolius)和无患子(Sapindus mukorossi)等,而蝴蝶果(Cleidiocarpon cavaleriei)、南酸枣、狗骨木(Cornus wilsoniana)、苹婆(Sterculia nobilis)、东京桐(Deutzianthus tonkiensis)、海南椴(Hainania trichosperma)和海南蒲桃(Syzygium hainanense)等树种的生长则较慢.
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