草业学报 ›› 2017, Vol. 26 ›› Issue (2): 197-207.DOI: 10.11686/cyxb2016136
罗永清1, 赵学勇1, 王涛1, 李玉强1, 左小安1, 丁杰萍2, 3
收稿日期:
2016-03-29
出版日期:
2017-02-20
发布日期:
2017-02-20
作者简介:
罗永清(1984-),男,陕西宝鸡人,助理研究员,博士。E-mail:luoyongqing8401@sina.com
基金资助:
LUO Yong-Qing1, ZHAO Xue-Yong1, WANG Tao1, LI Yu-Qiang1, ZUO Xiao-An1, DING Jie-Ping2, 3
Received:
2016-03-29
Online:
2017-02-20
Published:
2017-02-20
摘要: 植物根系在生态系统物质循环和能量流动过程中具有重要意义,其分解是固定于植物体内的物质返回土壤和大气环境的重要过程,受生物和非生物等多重因子影响。其中:生物因素方面,根系化学特征是影响根分解的主要因素,根系寿命、直径、菌根及物种差异等生物因素主要是通过改变根系化学性质产生作用,根系分泌物、土壤微生物等主要通过改变分解者的数量和活性影响根系分解。非生物因素方面,水热因子是影响根分解的关键。另外,在全球变化背景下,大气氮沉降、CO2浓度增加等因素也对植物根系分解产生影响。本文从植物根系分解过程和影响根分解的因素两方面,综述了植物根系分解过程中物质释放规律,总结和归纳了主要生物和非生物因素对植物根系分解的影响机理,并对根系分解的研究进行展望。
罗永清, 赵学勇, 王涛, 李玉强, 左小安, 丁杰萍. 植物根系分解及其对生物和非生物因素的响应机理研究进展[J]. 草业学报, 2017, 26(2): 197-207.
LUO Yong-Qing, ZHAO Xue-Yong, WANG Tao, LI Yu-Qiang, ZUO Xiao-An, DING Jie-Ping. Plant root decomposition and its responses to biotic and abiotic factors[J]. Acta Prataculturae Sinica, 2017, 26(2): 197-207.
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