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短期氮添加对杨树人工林表层土壤 可溶性有机碳的影响(PDF)

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

Issue:
2014年06期
Page:
23-27
Column:
专题报道
publishdate:
2014-12-09

Article Info:/Info

Title:
Effects of short term nitrogen addition on dissolved organic carbon in topsoil of poplar plantation
Article ID:
1000-2006(2014)06-0023-05
Author(s):
GE Zhiwei1 PENG Sai1 XU Kai1 XU Yu1 YU Shuiqiang1 RUAN Honghua1* XU Changbai2 CAO Guohua2
1. Jiangsu Key Laboratory of Forestry Ecological Engineering, College of Biology and the Environment, Nanjing Forestry University, Nanjing 210037,China;
2. Dongtai City National Forest Farm of Jiangsu Province, Dongtai 224200, China
Keywords:
nitrogen addition dissolved organic carbon soil microbial biomass carbon poplar plantation
Classification number :
S714.2
DOI:
10.3969/j.issn.1000-2006.2014.06.005
Document Code:
A
Abstract:
Short-term nitrogen addition experiment was conducted to examine the response of topsoil(0-10 cm)dissolved organic carbon(DOC)in northern Jiangsu province, the concentrated distribution area of poplar plantation. The results showed DOC increasing was observed in topsoil of poplar plantation along with the increasing of nitrogen addition concentration and the variation caused by ages was reduced; significant positive linear regression correlation was found between soil microbial biomass carbon(SMBC)and DOC during the analysis of impact factors in topsoil of nitrogen addition experiment, but did not exist with the amount of litter or fine root biomass.

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Last Update: 2014-12-31