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生物碳的物理结构与化学成分对土壤氧化亚氮排放的影响
  • ISSN号：0253-2468
  • 期刊名称：《环境科学学报》
  • 时间：0
  • 分类：X144[环境科学与工程—环境科学]
  • 作者机构：[1]中山大学环境科学与工程学院
  • 相关基金：国家自然科学基金(No.51039007,51179212);中国教育部博士基金(No.20120171110040)~~
作者： 唐倩[1], 梁卓良, 欧阳磊[1], 张仁铎[1]
关键词： 土壤, 生物碳, 物理结构, 化学成分, 氧化亚氮
中文摘要：

为探究生物碳对土壤中重要温室气体氧化亚氮(N2O)排放的影响机制,将生物碳的可溶性化学成分和稳定的物理结构分离后得到浸提液和碳骨架,设置了4种不同的实验处理方式:土壤(对照)、土壤+生物碳、土壤+浸提液、土壤+碳骨架,进行了为期90 d的室内培养试验.实验结果显示,在培养前期(前7 d),添加生物碳和碳骨架的处理都显著抑制了土壤N2O的释放,且抑制程度相似,最高均可达80%,而添加浸提液的处理却显著促进了土壤N2O的释放.因此,土壤添加生物碳后对N2O排放的抑制作用主要归因于生物碳的物理结构,生物碳的物理结构可以有效地提高土壤的pH值、吸附土壤及其自身含有的可能促进N2O释放的化学物质,从而减少土壤中N2O的产生和排放.

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期刊信息
  • 《环境科学学报》
  • 中国科技核心期刊
  • 主管单位:中国科学院
  • 主办单位:中国科学院生态环境研究中心
  • 主编：汤鸿霄
  • 地址：北京2871信箱
  • 邮编：100085
  • 邮箱：hjkxxb@rcees.ac.cn
  • 电话：010-62941073
  • 国际标准刊号：ISSN：0253-2468
  • 国内统一刊号：ISSN：11-1843/X
  • 邮发代号:82-625
  • 获奖情况:
  • 国内外数据库收录:
  • 美国化学文摘（网络版）,荷兰地学数据库,荷兰文摘与引文数据库,日本日本科学技术振兴机构数据库,中国中国科技核心期刊,中国北大核心期刊（2004版）,中国北大核心期刊（2008版）,中国北大核心期刊（2011版）,中国北大核心期刊（2014版）,英国英国皇家化学学会文摘,中国北大核心期刊（2000版）
  • 被引量:56074