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竹阔混交林阔叶树下土壤养分对毛竹生长的影响(PDF)

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

Issue:
2007年06期
Page:
43-47
Column:
研究论文
publishdate:
2007-06-20

Article Info:/Info

Title:
The Effect of Soil Nutrient Around Broad-leaved Trees on Phyllostachys edulis Growth in the Mixed Forest
Article ID:
1000-2006(2007)06-0043-05
Author(s):
CAO Yong-hui1 XIAO Jiang-hua1* CHEN Shuang-lin1 WU Ming1 WU Bai-lin2
1.Research Institute of Subtropical Forestry China Academy of Forestry, Fuyang 311400, China; 2.Forestry Bureau of Longyou County Zhejiang Province, Longyou 324400, China
Keywords:
Mixed forest Broad-leaved trees Soil nutrient Spatial distribution Phyllostachys edulis
Classification number :
S718
DOI:
10.3969/j.jssn.1000-2006.2007.06.010
Document Code:
A
Abstract:
The correlation between the spatial distribution of soil nutrient around broad-leaved trees and the growth of Phyllostachys edulis was studied in Longyou county and Miaoshanwu Protective Zone of Zhejiang province. The results showed that the obvious differences of the mean DBH of all bamboo and new culms and the number of new culms existed in the different annular zone around the trees and in whole stand. The growth of Ph. increased with the distance from the broad-leaved trees. It also showed that the clear differences of soil nutrients were coincident with the distribution differences of Phyllostachys edulis in the different annular zones around the same tree. The mean DBH of new culms increased with the higher content of soil nutrient. The evident differences of soil nutrients were seen in the same annular zones of different broad-leaved trees. Except the organic phosphorus, all of the soil nutrient factors reached the obvious level (p<0.05) or best obvious level (p<0.01). The grey correlation analysis between the mean DBH of new culms and soil nutrient around trees showed that the influence order of soil nutrients on new culms was total phosphorus, soluble nitrogen, total nitrogen, soluble phosphorus, organic carbon, soluble kalium. The analysis also showed that the relationship between the mean DBH of new culms and all soil nutrients was obvious (p<0.05).

References

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Last Update: 2013-05-20