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Position: Home > Articles > Comparative Experiment on Interplanting Different Tree Species of Cleyera japonica Forest Science and Technology 2020 (6) 29-31

不同树种套种杨桐比较试验研究

作  者:
余启新;王建昌;徐高福;丰忠平;胡婉莹
单  位:
关键词:
杨桐;Cleyera japonica;套种;林木良种基地;生长量;健康叶指数
摘  要:
林木良种基地建成后经过经营所保留的密度普遍不高,在马尾松、柏木、火炬松、青岗等不同树龄树种中进行套种多用途的杨桐(Cleyera japonica)试验。研究表明,在成熟的针叶树林木良种基地下套种杨桐,以土层深厚的黄红壤、6~15 m×6~15 m的保留密度,上层郁闭度为0.5~0.8,套种1.7~2.5 m×2.0~3.0 m杨桐容器苗,定植10年之后冠幅最大,健康叶指数高达96%,可利用产量最高。上层保留密度过大,或是土层相对贫瘠的林地无论同时定植还是后期套种,健康叶指数下降,杨桐生长和产品质量均受不同程度的影响。
译  名:
Comparative Experiment on Interplanting Different Tree Species of Cleyera japonica
作  者:
YU Qixin;WANG Jianchang;XU Gaofu;
关键词:
Cleyera japonica;;interplant;;forest seed base;;increment;;healthy leaf index
摘  要:
The test of interplanting multi-purpose Cleyera japonica with different age of different tree species,such as Pinus massoniana,Cupressus funebris,Pinus taeda,Cyclobalanopsis glauca were conducted.The results showed that,with the retention density of 6~15 m×6~15 m in the deep yellow red soil and the upper canopy density of 0.5~0.8,Cleyera japonica container seedlings of 1.7~2.5 m×2.0~3.0 m was interplanted under the mature coniferous improved variety.After 10 years of planting,the crown breadth was the largest,the healthy leaf index was 96%,and the usable yield was the highest.In the forestland with too high reserve density in the upper layer or relatively poor soil layer,both simultaneous planting and late interplanting,the healthy leaf index decreased,and the growth and product quality were all affected to varying deggrees.

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