Research Progress on Bioremediation of Saline-alkali Grassland：A Review

doi:10.13560/j.cnki.biotech.bull.1985.2020-0413

Abstract

Abstract: With the intensification of climate change and the rapid development of social economy,the salinization of grassland ecosystem in China is becoming more and more serious. The salinization of grassland will not only seriously threaten the local ecological security but also restrict the social and economic development of pastoral area. It is imperative to repair the saline-alkali grassland. Bioremediation is a low-cost,effective technology with little environmental impact,and recently it has attracted much attention in salinized soil remediation. This paper comprehensively introduces the research contents and application progress in three fields of bioremediation technology,including phytoremediation,microbial remediation,and combined plant-microbe remediation. We focuses on the analysis and discussion of the role and potential application prospects of plant probiotics and AM fungi in improving the saline-alkali stress tolerance of forage grass and promoting the phytoremediation efficiency of saline-alkali grassland soil,aiming to provide theoretical basis and research ideas for the restoration and treatment of salinized grassland,which is of great practical significance to the restoration of salinized grassland ecosystem.

Key words: bioremediation, saline-alkali grassland, phytoremediation, microbial remediation, combined plant-microbe remediation

GUO Wei, XUE Shuai, ZHANG Zhe-chao, DIAO Feng-wei, HU Jie, ZHANG Min, LIU Mei-chun, DING Sheng-li, JIA Bing-bing, SHI Zhong-qi. Research Progress on Bioremediation of Saline-alkali Grassland：A Review[J]. Biotechnology Bulletin, 2020, 36(7): 200-208.

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