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长序榆一年生播种苗的年生长规律(PDF)

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

Issue:
2001年04期
Page:
57-60
Column:
研究论文
publishdate:
1900-01-01

Article Info:/Info

Title:
Study on Annual Growth Dynamics of One year old Seedlings for Ulmus elongata
Article ID:
1000-2006(2001)04-0057-04
Author(s):
LAI Wen sheng
Forest Seed and Seedling General Station of Fujian Province, Fuzhou 350003,China
Keywords:
Ulmus elongata Seedling height growthCollar diameter growthRoot growth
Classification number :
*
DOI:
10.3969/j.jssn.1000-2006.2001.04.015
Document Code:
A
Abstract:
This article deals with the annual growth rhythm of Ulmus elongata seedlings.The four growth periods were divided for the seedlings by using cluster analyses of series samples.The results showed that the logistic equations were fitted for the growth of height and diameter,the optimum regression equation was found for the growth of seedlings height,diameter and main root,and the relations of each part growth of the seedlings were also revealed.The multivariate regression analysis indicated that the temperature was the main factor in influencing the growth of Ulmus elongata seedlings.

References

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Last Update: 1900-01-01