SIMULATION STUDY ON RELIEFING NEGATIVE INFLUENCE OF DAMAGE ROOTS IN COAL MINING SUBSIDENCE AREA
Journal Title: Asian Pacific Journal of Microbiology Research (APJMR) - Year 2018, Vol 2, Issue 1
Abstract
In the process of coal mining, surface subsidence leads to plant root injury. In this study, the mitigation effects of an arbuscular mycorrhizal fungus (AMF) inoculation on the growth of root injured alfalfa were investigated by five-chamber system matrix internal injury root method, which artificially simulated root damage caused by coal mining. The results indicated that AMF inoculation alleviated the adverse effects caused by root harm and contributed to the growth of alfalfa. The average dry weight per plant of the inoculation group was higher than that of the control group. In addition, AMF inoculation significantly promoted the alfalfa to take up mineral elements from the soil and increased the content of hyphae length and organic matter which existed in the rhizosphere soil of the injured alfalfa. The contents of total hyphae length and organic matter in the different test design showed the same rules that the inoculation on both sides were higher than the inoculation on one side. AMF inoculation improved the micro-environment of rhizosphere and made a contribution to the amelioration and fertilization of degraded soil in the mining area. It will provide technical support for land reclamation and ecological reconstruction by studying the effects of AMF on the growth of damaged plants.
Authors and Affiliations
Hui Yue, Ying Liu
Keywords
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- EP ID EP404001
- DOI 10.26480/ajmr.01.2018.01.04
- Views 60
- Downloads 0
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