Agricultural Soil Acidification Improvement Strategies

A special issue of Agriculture (ISSN 2077-0472). This special issue belongs to the section "Agricultural Soils".

Deadline for manuscript submissions: 30 November 2025 | Viewed by 648

Special Issue Editor


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Guest Editor
School of Resources Environment and Materials, Guangxi University, Nanning 530004, China
Interests: soil chemistry; soil ecology; soil contamination; environmental safety; heavy metals

Special Issue Information

Dear Colleagues,

Agricultural soils face multiple severe challenges, such as acidification, toxic metal pollution, and declining fertility, posing significant risks to crop productivity, food safety, and human and ecosystem health. Improving agricultural soil quality is significant for promoting sustainable agricultural development, ensuring food security, and maintaining ecological security.

This Special Issue aims to provide scientific basis and practical guidance for improving agricultural soil quality by gathering the latest research results and practical experience on improvement of agricultural soil acidification and secondary barriers, green remediation strategies for toxic metals.

Currently, cutting-edge research in improving agricultural soil quality mainly focuses on studying soil microbial communities and functions, new materials and technologies for soil improvement, precision agriculture and soil management, and research on agricultural soil ecosystem services.

Topics of interest for this Special Issue include, but are not limited to, the following:

  • New agricultural soil acidification and degradation mechanisms are based on human activities or environmental factors.
  • Innovation and application research of soil acidification and secondary barrier remediation technology, including new soil amendments or remediation agents, microbial fertilizers, organic fertilizers, and other application effects evaluation.
  • New green remediation strategies and application practices for toxic heavy metals in agricultural soils.
  • Research on new models and technologies for the resource utilization of agricultural waste, including innovative practices in composting and biomass energy development.

Prof. Dr. Chaolan Zhang
Guest Editor

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Keywords

  • soil acidification
  • soil toxic metals
  • soil quality change
  • nutrient cycling

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Published Papers (1 paper)

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Research

15 pages, 1764 KiB  
Article
Efficacy Evaluation of Civil-Works Mud as Soil Matrix Modified by Organic Amendments
by Yuan Su, Qian Zhang, Junwei Tang, Juanjuan Yin, Kai Zhong, Jingying Gu, Zicong Xiong, Haile Wu, Xingzhi Pang and Chaolan Zhang
Agriculture 2025, 15(10), 1056; https://doi.org/10.3390/agriculture15101056 - 13 May 2025
Viewed by 364
Abstract
Converting civil-works mud (CWM) into soil matrix is a significant method for resource utilization, effectively mitigating CWM accumulation. In this study, CWM was utilized as a soil matrix and modified with three organic materials: pig manure, biochar, and corn straw. Field experiments were [...] Read more.
Converting civil-works mud (CWM) into soil matrix is a significant method for resource utilization, effectively mitigating CWM accumulation. In this study, CWM was utilized as a soil matrix and modified with three organic materials: pig manure, biochar, and corn straw. Field experiments were conducted using pig manure (PM), pig manure combined with biochar (PMB), and pig manure combined with straw (PMC), with the total organic matter content of the amendments applied in each treatment maintained at a consistent level. The physicochemical properties and soil matrix microbial biomass for all treatments were determined at the time of corn harvest. Additionally, the soil quality index (SQI) was calculated to evaluate the effectiveness of the various treatments. The results indicated that the addition of organic amendments significantly enhanced the physicochemical and soil microbial properties of soil matrix, significantly increasing the crop yield. Among the treatments, the application of pig manure combined with biochar (PMB) significantly improved the quality of soil matrix, with the SQI increasing by 65.2 times compared to soil matrix. This treatment achieved a crop yield of 5525 kg/ha, and the safety of the crops in all treatments complied with the National Food Safety Standard Limits of Contaminants in Foods. This study proposes a novel and feasible approach for the resource utilization of CWM, and the improved soil matrix can help alleviate the increasing issue of soil resource scarcity. Full article
(This article belongs to the Special Issue Agricultural Soil Acidification Improvement Strategies)
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