Impact of Soil Composition and Electrochemistry on Corrosion of Rock-cut Slope Nets along Railway Lines in China

Chen, Jiao; Chen, Zhaoqiong; Ai, Yingwei; Xiao, Jingyao; Pan, D.K. Saha and Sitansu; Li, Wei; Huang, Zhiyu; Wang, Yumei

doi:10.1038/srep14939

Cited by 26 publications

(10 citation statements)

References 56 publications

(52 reference statements)

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“…Streptomycetales are plant growth promoting rhizobacteria that protect and promote plant growth by producing iron carriers, stimulating plant hormone production, and supporting phosphate solubilization (Misk and Franco, 2011;Rungin et al, 2012). S-ACP can also help in dissolving the soluble mineral phosphate in the soil, improving the availability of AP in the soil, and improving the absorption and utilization of soil nutrients by plants under stress environments (Chen et al, 2015;M ącik et al, 2020). The combined effect of Streptomycetales and S-ACP on AP level in soil may explain the direct correlation between the two.…”

Section: Response Of Core Bacterial Population To Drought Stress In Sugarcanementioning

confidence: 99%

Response of Sugarcane Rhizosphere Bacterial Community to Drought Stress

Liu¹,

Zhao²,

Liu³

et al. 2021

Front. Microbiol.

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Sugarcane is an important sugar and energy crop, and its yield is greatly affected by drought. Although a large number of studies have shown that rhizosphere microorganisms can help improve the adaptability of plants to biotic or abiotic stresses, there is a lack of studies on the adaptability of sugarcane rhizosphere microbial communities to host plants. Therefore, we conducted drought stress treatment and normal irrigation treatment on three sugarcane varieties GT21, GT31, and GT42 widely cultivated in Guangxi. Using 16S rDNA sequencing technology to analyze the changes in abundance of the sugarcane rhizosphere bacterial community under different treatments, combined with the determination of soil enzyme activity, soil nutrient content, and sugarcane physiological characteristics, we explored the sugarcane rhizosphere bacterial community response to drought stress. In addition, we used the structural equation model to verify the response path of sugarcane rhizosphere bacteria. The results show that the bacterial community structure in the rhizosphere of sugarcane is stable under normal water conditions. The change in the bacterial community structure under drought stress has a 25.2% correlation with the drought adaptability of sugarcane, but the correlation with drought stress is as high as 42.17%. The changes in abundance of rhizosphere bacteria under drought stress are mainly concentrated in the phylum Rhizobiales and Streptomycetales. This change is directly related to the physiological state of the host plant under drought stress, soil available phosphorus, soil urease and soil acid protease. We investigated the response species of rhizosphere microorganisms and their response pathways under drought stress, providing a scientific basis for rhizosphere microorganisms to assist host plants to improve drought adaptability.

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Section: Response Of Core Bacterial Population To Drought Stress In Sugarcanementioning

confidence: 99%

Response of Sugarcane Rhizosphere Bacterial Community to Drought Stress

Liu¹,

Zhao²,

Liu³

et al. 2021

Front. Microbiol.

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“…Vegetation cover can improve slope soil shear strength, control slope soil erosion, improve soil quality, and facilitate ecosystem restoration 10 – 12 . Therefore, previous studies on ESSS mainly focused on (1) selecting proper plant seeds for constructing suitable vegetation cover 1 , 10 , 13 ; (2) improving the viscidity, particle composition, fractal characteristics, and aggregate stability of artificial soils 14 – 17 ; and (3) exploring the impact of artificial soil composition on rock-cut slope nets 18 . However, very little attention has been paid on exploring the practical application effect of this technique on different topographic aspects.…”

Section: Introductionmentioning

confidence: 99%

Topographic aspect affects the vegetation restoration and artificial soil quality of rock-cut slopes restored by external-soil spray seeding

Zhang

Yang

et al. 2018

Sci Rep

Self Cite

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External-soil spray seeding (ESSS), a technique of spraying artificial soil materials onto bare slopes for vegetation cover construction, has been widely used to restore rock-cut slopes. However, studies on the effect of the practical application of this technique on different topographic aspects have been rarely performed. In this study, two topographic aspects, namely, north-facing versus south-facing, were investigated under two railway lines, and two local natural slopes (north-facing versus south-facing) were selected as references. Vegetation and soil conditions, which are paramount aspects of ecological restoration assessment, were characterized in terms of the richness and diversity indices, vegetation canopy cover, basic soil physico-chemical properties, and structural characteristics of these slopes. Results showed that (1) the topographic aspect significantly affected the vegetation restoration and artificial soil quality of rock-cut slopes restored by ESSS; (2) the ecological restoration effect of north-facing slopes were better than that of south-facing slopes; and (3) the vegetation and soil conditions of natural slopes were better than those of rock-cut slopes. Therefore, additional scientific management measures should be implemented to promote the ecological restoration of rock-cut slopes, especially for south-facing slopes.

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“…The moisture content of soil is an important factor affecting the corrosion of metal materials. [3] When the moisture content is very high or very low, the corrosion rate is the lowest. The corrosion rate of metals increases first and then decreases with the increase of water content.…”

Section: Soil Moisture Contentmentioning

confidence: 99%

Distribution of soil corrosion grade in Southern Hebei Province

Yu¹,

Niu²,

Hou³

et al. 2021

E3S Web Conf.

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Transmission towers and substations are used in a variety of natural environments, coupled with the interference of the surrounding production and life, facing the test of soil corrosion. Based on the experimental data of 72 soil samples from five cities in Southern Hebei Province, the soil resistivity, soil pH value and soil moisture content were investigated, and the soil corrosion grade and soil corrosion grade distribution map were obtained. It provides a reference for the collection of soil corrosivity data in power transmission and transformation projects.

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Impact of Soil Composition and Electrochemistry on Corrosion of Rock-cut Slope Nets along Railway Lines in China

Cited by 26 publications

References 56 publications

Response of Sugarcane Rhizosphere Bacterial Community to Drought Stress

Response of Sugarcane Rhizosphere Bacterial Community to Drought Stress

Topographic aspect affects the vegetation restoration and artificial soil quality of rock-cut slopes restored by external-soil spray seeding

Distribution of soil corrosion grade in Southern Hebei Province

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