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不同密度马尾松林针叶养分含量及其转移特征(PDF)

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

Issue:
2010年04期
Page:
93-96
Column:
研究论文
publishdate:
2010-08-06

Article Info:/Info

Title:
Foliar nutrient contents and translocation features in different density of Pinus massoniana plantations
Author(s):
GUO Feng ZHOU Yunchao*
Forestry College of Guizhou University, Guiyang 550025, China
Keywords:
Pinus massoniana needle nutrient content nutrient translocation
Classification number :
S718
DOI:
10.3969/j.jssn.1000-2006.2010.04.021
Document Code:
A
Abstract:
The contents and translocation features of foliar nutrients(N, P, K, Ca, Mg, Fe, Mn, Zn, Cu)in three density Pinus massoniana plantations were studied. The results showed that the content of Ca tended to increase with densities before leaf withering, and the other elements didn’t show obvious tendency. The content of Mn in leaf litters showed an increased tendency with densities, and the other elements didn’t show obvious tendency. The translocations of N, P, K, Mg had happened at various levels during leaf withering, and the other elements hadn’t. Fe transferred ratio decreased with densities, but Ca and Mg were on the opposite. The transferred ratio of N, P, K, Mn, Zn and Cu didn’t showed any obvious tendency varied with density.

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Last Update: 2010-08-06