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Volume 15
Issue 10
10.3390/agriculture15101056
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This is an early access version, the complete PDF, HTML, and XML versions will be available soon.
Article

Efficacy Evaluation of Civil-Works Mud as Soil Matrix Modified by Organic Amendments

by
Yuan Su
1,
Qian Zhang
2,
Junwei Tang
1,
Juanjuan Yin
1,
Kai Zhong
2,
Jingying Gu
1,
Zicong Xiong
1,
Haile Wu
3,
Xingzhi Pang
1 and
Chaolan Zhang
1,*
1
School of Resources, Environment and Materials, Guangxi University, Nanning 530004, China
2
College of Agriculture, Guangxi University, Nanning 530004, China
3
Guangxi Qinghui Environmental Protection Technology Co., Ltd., Chongzuo 532100, China
*
Author to whom correspondence should be addressed.
Agriculture 2025, 15(10), 1056; https://doi.org/10.3390/agriculture15101056
Submission received: 29 March 2025 / Revised: 6 May 2025 / Accepted: 12 May 2025 / Published: 13 May 2025
(This article belongs to the Special Issue Agricultural Soil Acidification Improvement Strategies)
Versions Notes

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 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.
Keywords: civil-works mud; resource utilization; organic amendments; soil quality index civil-works mud; resource utilization; organic amendments; soil quality index

Share and Cite

MDPI and ACS Style

Su, Y.; Zhang, Q.; Tang, J.; Yin, J.; Zhong, K.; Gu, J.; Xiong, Z.; Wu, H.; Pang, X.; Zhang, C. Efficacy Evaluation of Civil-Works Mud as Soil Matrix Modified by Organic Amendments. Agriculture 2025, 15, 1056. https://doi.org/10.3390/agriculture15101056

AMA Style

Su Y, Zhang Q, Tang J, Yin J, Zhong K, Gu J, Xiong Z, Wu H, Pang X, Zhang C. Efficacy Evaluation of Civil-Works Mud as Soil Matrix Modified by Organic Amendments. Agriculture. 2025; 15(10):1056. https://doi.org/10.3390/agriculture15101056

Chicago/Turabian Style

Su, Yuan, Qian Zhang, Junwei Tang, Juanjuan Yin, Kai Zhong, Jingying Gu, Zicong Xiong, Haile Wu, Xingzhi Pang, and Chaolan Zhang. 2025. "Efficacy Evaluation of Civil-Works Mud as Soil Matrix Modified by Organic Amendments" Agriculture 15, no. 10: 1056. https://doi.org/10.3390/agriculture15101056

APA Style

Su, Y., Zhang, Q., Tang, J., Yin, J., Zhong, K., Gu, J., Xiong, Z., Wu, H., Pang, X., & Zhang, C. (2025). Efficacy Evaluation of Civil-Works Mud as Soil Matrix Modified by Organic Amendments. Agriculture, 15(10), 1056. https://doi.org/10.3390/agriculture15101056

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