不同立地管理措施对2代杉木1年生幼林生长影响的研究*

Abstract

Abstract:

Experiment was established to study the impacts of site management on productivity of multiple generation plantations of Chinese fir.Five treatments(site management schemes) were applied at the harvested site of the first generation of Chinese fir plantation.The second-generation plantation was established at the harvested site and observations were made one year after plantation.Results indicated that:(1)BL₃BM₀ was the most favorable treatment for the growth of Chinese fir and most unfavorable for the ground vegetation.The Chinese fir with treatments BL₂BM₀ and BL₂BM₁ had similar growth to each other, indicating that clearance burning had no significant effect on the growth of Chinese fir for the first year, but the burning significantly reduced the biomass production of the ground vegetation.(2)The total biomass production of one-year-old Chinese fir stand varied with treatments in a same way as the biomass production of the ground vegetation.The biomass of ground vegetation was prominent in the total biomass production of 1-year-old Chinese fir stand.

Key words: Chinese fir plantation, Multi-generation management, Site management

Shaohui Fan,Guangyao Lin,Zhongming He,Shantu Ru,Xujing Yang. IMPACT OF SITE MANAGEMENT ON PRODUCTIVITY OF SECOND GENERATION 1-YEAR-OLD PLANTATION OF CHINESE FIR[J]. Scientia Silvae Sinicae, 1999, 35(3): 120-126.

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	蒋有绪.海南岛热带土地的退化问题.见:盛炜彤主编.人工林地力衰退研究,北京:中国科学出版社, 1992: 11~ 14
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	Julian Evans.Long-term productivity of forest plantations-status in 1990.IUFRO, 19th World Congress Proceedings.Divsion 1, vol.1, 1990

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IMPACT OF SITE MANAGEMENT ON PRODUCTIVITY OF SECOND GENERATION 1-YEAR-OLD PLANTATION OF CHINESE FIR

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