Plant-Soil-Microbe Interactions in Natural Soils - Series II

A special issue of Agronomy (ISSN 2073-4395). This special issue belongs to the section "Soil and Plant Nutrition".

Deadline for manuscript submissions: closed (31 March 2023) | Viewed by 1265

Special Issue Editor

State Key Laboratory of Soil Erosion and Dryland Farming on the Loess Plateau, Northwest A&F University, Yangling 712100, China
Interests: bacterial community; soil science; plant resistance; signaling molecules
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Plant–soil–microbe interactions drive the biogeochemical process in the terrestrial ecosystem. In this system, plants release nutrients into the soil in the form of residue decomposition and root exudates, which improves the soil environment and supplies substrates to soil microorganisms, and microorganisms transform organic nutrients into inorganic nutrients for plant absorption and utilization. The synergistic relationship between plants, soil, and microorganisms is the internal driving force of maintaining ecosystem structure and functions, such as nutrient cycling, biodiversity conservation, and food provision. Plant–soil–microbe interactions have become a hot spot in soil ecology, plant science, and environment research. We especially encourage authors to conduct a profound investigation on the interactions of plant–soil–microbe in natural soils, such as grassland, shrub, forest, swamp, desert, and so on, and reveal the underlying mechanism between aboveground structure and belowground functions, such as the diversity–function relationship, nutrient–microbes associations, and rhizosphere dynamics.

Dr. Chao Zhang
Guest Editor

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Keywords

  • plant community
  • soil ecology
  • microbial community
  • diversity
  • functions
  • nutrient cycling
  • community structure

Published Papers (1 paper)

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Research

13 pages, 1696 KiB  
Article
Relationships between Rhizosphere Environments and Growth of 10-Year-Old Wild-Simulated Ginseng
by Yeong-Bae Yun, Kiyoon Kim, Jeong-Hoon Huh and Yurry Um
Agronomy 2023, 13(5), 1313; https://doi.org/10.3390/agronomy13051313 - 7 May 2023
Cited by 2 | Viewed by 1058
Abstract
Wild-simulated ginseng (WSG, Panax ginseng C.A. Meyer) must be cultivated in mountainous forests without installation of artificial facilities or treatment of chemicals. Because cultivation of these medicinal plants requires a long-term period, soil properties and rhizobacteria are known as major factors affecting their [...] Read more.
Wild-simulated ginseng (WSG, Panax ginseng C.A. Meyer) must be cultivated in mountainous forests without installation of artificial facilities or treatment of chemicals. Because cultivation of these medicinal plants requires a long-term period, soil properties and rhizobacteria are known as major factors affecting their growth. This study was aimed to investigate correlations of soil bacterial community with soil chemical properties and growth of 10-year-old WSG. Most of the growth characteristics of WSG were higher in southern region than in northern regions, while leaflet length and leaflet width of WSG were higher in northern regions. In all WSG cultivation sites, the most dominant phyla were Proteobacteria and Acidobacteria in the bacterial community. In Principal component analysis (PCA), soil bacterial community was affected by exchangeable cations (calcium, magnesium), soil pH, total nitrogen, cation exchange capacity, and organic matter. Soil pH was the most effective factor in this study because all studied sites were acidic soils. In spearman’s coefficient analysis, 9 of 13 growth characteristics of WSG showed significantly positive correlation with the relative abundance of Actinobacteria, while rhizome length and number of rootlets showed significant negative correlations with population of Acidobacteria. Therefore, growth characteristics of WSG in different cultivation sites can be affected by various soil environmental factors. These results can help foresters find suitable cultivation sites for WSG. Full article
(This article belongs to the Special Issue Plant-Soil-Microbe Interactions in Natural Soils - Series II)
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