根际沉积及其在植物-土壤碳循环中的作用

被引：21

作者：

王振宇

吕金印

李凤民

徐炳成

机构：

[1] 西北农林科技大学中国科学院-水利部水土保持研究所黄土高原土壤侵蚀与旱地农业国家重点实验室

来源：

应用生态学报 | 2006年 / 10期

关键词：

根际沉积; 碳循环; 根呼吸; 碳分配; 土壤有机质;

D O I：

10.13287/j.1001-9332.2006.0386

中图分类号：

S154.4 [土壤-植物系统];

学科分类号：

071012 ; 0713 ;

摘要：

植物根际沉积是一种重要的植物与土壤交换的界面过程,在土壤碳周转方面具有重要的作用;根际碳的沉积也是联系植物、土壤及微生物的桥梁.本文就近年来关于根际沉积中碳平衡、碳循环等相关研究,阐述了根际碳沉积的机制,探讨了相关试验中存在的问题,以及不同植物品种、种类和生育期根际沉积的差异和根际沉积物与土壤呼吸的关系,指出了根际沉积在植物-土壤体系中碳循环的重要作用.在此基础上,提出了未来的研究领域及方向.

引用

页码：1963 / 1968

页数：6

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