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Agronomy
Special Issues
Soil Microorganisms Dynamics under Different Cropping Systems
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Soil Microorganisms Dynamics under Different Cropping Systems

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

Deadline for manuscript submissions: closed (10 April 2023) | Viewed by 3891

Special Issue Editors

Dr. Shixiu Zhang

E-Mail
Guest Editor
Northeast Institute of Geography and Agro-Ecology, Chinese Academy of Sciences, 4888 Shengbei Street, Changchun 130102, China
Interests: soil micro-food web structure and function
Dr. Xiancan Zhu

E-Mail Website
Guest Editor
College of Life Sciences, Anhui Normal University, Beijingdong Road, Wuhu 241000, China
Interests: plant physiological ecology; plant-microbe interactions
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Soil microorganisms, including bacteria, fungi, viruses, archaea, protozoa, and nematodes, are important for soil health and plant growth. They reside in the bulk and/or in the rhizosphere soil, and are responsible for a vast number of vital ecosystem functions and services, such as primary production, soil structure formation, carbon sequestration, and nutrient mineralization. However, soil microbial impact on crop and soil health will depend on the composition and activities of existing soil microorganisms as well as other soil characteristics. Therefore, to better understand the fundamentals of soil microbes, the effects of any common and novel farming practices on soil microorganism diversity, abundance, community composition, inter-/intra-species interactions, and their functions are encouraged to be included in this Special Issue. The main purpose is to exchange knowledge on any aspect of soil microorganisms in farming systems, thereby promoting the beneficial role of soil microbes in building healthy soils.

Dr. Shixiu Zhang
Dr. Xiancan Zhu
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Agronomy is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • microbes
  • protozoa
  • nematodes
  • carbon sequestration
  • soil aggregate formation
  • nutrient cycling
  • plant growth
  • multi-function
  • cropping systems
  • tillage systems
  • arable soil
  • paddy soil

Published Papers (2 papers)

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Research

16 pages, 2761 KiB  
Article
Forest Gaps Modulate the Composition and Co-Occurrence Network of Soil Bacterial Community in Larix principis-rupprechtii Mayr Plantation
by Yajie Niu, Wenjun Liang, Xi Wei and Youzhi Han
Agronomy 2023, 13(1), 38; https://doi.org/10.3390/agronomy13010038 - 22 Dec 2022
Cited by 1 | Viewed by 1306
Abstract
Forest gaps create a favorable microenvironment for the growth of the soil microbial community. This study aimed to explore the effects of gap-related microenvironmental heterogeneity on soil bacterial communities in Larix principis-rupprechtii Mayr forest gaps. Therefore, the redundancy analysis (RDA) and structure equations [...] Read more.
Forest gaps create a favorable microenvironment for the growth of the soil microbial community. This study aimed to explore the effects of gap-related microenvironmental heterogeneity on soil bacterial communities in Larix principis-rupprechtii Mayr forest gaps. Therefore, the redundancy analysis (RDA) and structure equations modeling (SEM) of affecting elements were further used to test the significance of forest gaps’ effect on soil bacterial community composition and co-occurrence structure complexity. The formation of forest gaps increased canopy opening (CO) and significantly increased soil moisture content (SW), soil temperature (ST) and the accumulation of acid phosphatase (PHO) and sucrase (INV) in the soil, and the G250 (forest gap size: >250 m2) was most conductive to the accumulation of light and soil total nutrient. G50, G70, and G100 (forest gap size: 50–70 m2, 70–100 m2, 100–125 m2) were most favorable for the natural regeneration of the L. principis-rupprechtii Mayr plantation. The light properties under the forest gaps were the most significant factor that influenced the soil bacterial community composition, followed by the size of the forest gap, with standard path coefficients (Std. PCs) of 0.45 and −0.37, respectively. The canopy opening (CO), relative light intensity (RLA) and leaf area index (LAI) were considered to be the most important environmental factors affecting bacterial community composition (Std. PCs: 0.97, 0.99, and −0.93, respectively). The natural regeneration density under the forest gap was the most significant factor influencing the complexity of the soil bacterial community co-occurrence network, followed by soil nutrients (Std. PCs: 0.87 and −0.76, respectively). Full article
(This article belongs to the Special Issue Soil Microorganisms Dynamics under Different Cropping Systems)
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18 pages, 3348 KiB  
Article
Effects of the Continuous Cropping of Amomum villosum on Rhizosphere Soil Physicochemical Properties, Enzyme Activities, and Microbial Communities
by Butian Wang, Yunfeng Lu, Weifeng Li, Suming He, Rong Lin, Peng Qu, Hongmei Chen, Fengying Zhang, Meng Zhao, Xuedong Shi, Yi Liu, Huabo Du and Yu Ge
Agronomy 2022, 12(10), 2548; https://doi.org/10.3390/agronomy12102548 - 18 Oct 2022
Cited by 11 | Viewed by 2011
Abstract
Amomum villosum, which is an important perennial medicinal plant, easily suffers from continuous cropping obstacles in the plantation. The aim of this study is to find an effective method to solve the problem of A. villosum continuous cropping. In this study, we [...] Read more.
Amomum villosum, which is an important perennial medicinal plant, easily suffers from continuous cropping obstacles in the plantation. The aim of this study is to find an effective method to solve the problem of A. villosum continuous cropping. In this study, we analyzed four fields in which A. villosum was continuously cropped and a fallow field to reveal the effects of continuous cropping on the rhizosphere soil physicochemical properties, enzyme activities, and bacterial and fungal communities. Most of the soil nutrient contents gradually increased as the number of years of continuous cropping increased, whereas the soil pH decreased slightly. The soil urease and acid phosphatase activities tended to increase as the length of the continuous cropping period increased, which may have accelerated the conversion of soil substances. Furthermore, the alpha diversity of the bacterial and fungal communities decreased as the duration of the continuous cropping period increased. Additionally, the redundancy analysis revealed that bacterial and fungal community structures at the phylum level were the most correlated with pH value and catalase activity, respectively. This study may be useful for promoting the continuous cropping and sustainable development of A. villosum. Full article
(This article belongs to the Special Issue Soil Microorganisms Dynamics under Different Cropping Systems)
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