不同树龄橡胶林土壤微生物生物量碳的垂直分布特性

林业资源管理 ›› 2012, Vol. 0 ›› Issue (2): 59-64.

不同树龄橡胶林土壤微生物生物量碳的垂直分布特性

王春燕^1,2, 陈秋波¹, 李光明^1,3, 安锋^1,4, 杨礼富¹, 王真辉¹

1.中国热带农业科学院橡胶研究所/农业部橡胶树生物学重点开放实验室,海南儋州 571737;
2.海南省农垦科学院,海口 570206;
3.海南大学环境与植物保护学院,海口 571737;
4.Institute for Technology Research and Innovation,Deakin University,Geelong,Victoria,3217,Australia

收稿日期:2011-07-27 修回日期:2012-03-21 出版日期:2012-04-28 发布日期:2020-11-27
通讯作者: 王真辉(1972-),男,山西祁县人,博士,主要从事农业生态学研究。Email:wzh-36@163.com
作者简介:王春燕(1983-),女,广东清远人,硕士生,主要从事农业生态学研究。Email:wyling123@163.com
基金资助:
中央级公益性科研院所基本科研业务费专项资金(XJSYWFZX2008-18,XJSYWFZX2009-30)资助项目

Vertical Distribution of the Soil Microbial Biomass Carbon in Rubber Plantations with Different Ages

WANG Chunyan^1,2, CHEN Qiubo¹, LI Guangming^1,3, AN Feng^1,4, YANG Lifu¹, WANG Zhenhui¹

1. Rubber Research Institute,Chinese Academy of Tropical Agriculture Sciences,Danzhou 571737,Hainan,China;
2. Hainan Agricutural Reclamation Academy of Sciences,Haikou 570206,Hainan,China;
3. College of Environment and Plant Protection,Hainan University,Haikou,571737,Hainan,China;
4. Institute for Technology Research and Innovation,Deakin University,Geelong,Victoria,3217,Australia

Received:2011-07-27 Revised:2012-03-21 Online:2012-04-28 Published:2020-11-27

摘要/Abstract

摘要： 采用时空替代法,选取4,12,19,24,29 a橡胶林,研究不同树龄土壤微生物生物量碳含量的分布特征及其与有机碳含量的比值、以及与土壤养分含量的相关关系。结果表明:4,12,19,24,29 a橡胶林不同土层微生物生物量碳含量在28.87~138.71mg/kg之间,随土层深度的增加明显下降;土壤微生物生物量碳含量和有机碳的比值在0.66%～2.10%之间,土壤碳处于积累状态;土壤微生物生物量碳含量与有机碳、全氮、全磷含量有显著的相关性,相关系数R>72%。

关键词: 橡胶林, 土壤微生物生物量碳, 土壤有机碳

Abstract: The rubber plantations with the chronosequences of 4 a,12 a,19 a,24 a and 29 a were selected to investigate the vertical variations of the soil microbial biomass carbon(SMBC)and their relationships with the ratio of soil organic carbon(SOC)and soil nutrients.The results showed that SMBC in all the 5 different aged rubber plantations increased with soil depth and varied from 28.87 to 138.71(mg/kg).The ratios of SMBC :SOC in the rubber plantations were between 0.66%～2.10%,therefore the soil carbon was in accumulating state.In addition,markedly positive correlation was identified between SMBC and SOC,soil total nitrogen and soil total phosphorus,correlation coefficient R>72%.

Key words: rubber plantation, soil microbial biomass carbon, soil organic carbon

中图分类号:

王春燕, 陈秋波, 李光明, 安锋, 杨礼富, 王真辉. 不同树龄橡胶林土壤微生物生物量碳的垂直分布特性[J]. 林业资源管理, 2012, 0(2): 59-64.

WANG Chunyan, CHEN Qiubo, LI Guangming, AN Feng, YANG Lifu, WANG Zhenhui. Vertical Distribution of the Soil Microbial Biomass Carbon in Rubber Plantations with Different Ages[J]. FOREST RESOURCES WANAGEMENT, 2012, 0(2): 59-64.

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