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截干对叶用银杏生长及树形的影响(英文)(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2000年06期
Page:
11-16
Column:
研究论文
publishdate:
1900-01-01

Article Info:/Info

Title:
Effects of Coppice Management on Growth and Tree Shape in Gingko Leaf producing Plantation in Jiangsu Province, China
Article ID:
1000-2006(2000)06-0011-06
Author(s):
XIE You chao 1CAO Fu liang 2YAO Zhi gang 1WANG Gui bin 2ZHANG Wang xiang 2
1.Forestry Bureau Jiangsu Agriculture and Forestry Department,Nanjing\ 210013,China; 2.Nanjing Forestry University,Nanjing 210037,China
Keywords:
Ginkgo biloba Leaf producing plantation Coppice management Tree shape Long branch length
Classification number :
*
DOI:
10.3969/j.jssn.1000-2006.2000.06.003
Document Code:
A
Abstract:
In order to improve the yield and quality of Gingko leaf producing plantation, coppice management of 1,2,3 year old Dafuzhi (one of Gingko varieties) seedling at different stump heights (or top pruning) was taken in March, 1997. The following conclusions were drawn on investigation of growth and tree shape at the end of the first year: (1) Coppice management could lower Gingko tree height, reduce crown height, and enlarge crown diameters and crown volumes for some treatments.(2) Long branch number and length per plant of some treatments were increased by coppice management. (3) The main indexes which affected leaf yields were root diameters, long branch number, long branch length, the ratio of seedling height to crown diameter, and the ratios of crown diameter to leaf layer depth. So the good quality tree shape could be formed by coppice management.

References

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Last Update: 1900-01-01