Impact of Microplastics on the Carbon and Nitrogen of Vermicompost

IF 1.5 Q4 ENGINEERING, ENVIRONMENTAL

Environmental Quality Management Pub Date : 2024-09-30 DOI:10.1002/tqem.22325

Iswahyudi Iswahyudi, Adi Sutanto, Wahyu Widodo, Warkoyo Warkoyo, Eny Dyah Yuniwati, Marchel Putra Garfansa, Yenni Arista Cipta Ekalaturrahmah, Sugiono Sugiono, Shefa Dwijayanti Ramadani, Roy Hendroko Setyobudi

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引用次数: 0

Abstract

The impact of microplastics (MPs) on carbon (C) and nitrogen (N) content in vermicompost is not yet fully understood. This study aims to evaluate the effect of MPs on the carbon and nitrogen ratio in vermicompost, which is important for soil quality and health. The study was carried out using a control treatment and six variations of MPs in the vermicomposting process. Observations were carried out at certain time intervals for 60 days with routine measurements of pH, electrical conductivity (EC), seed germination index (GI), survival rate (SR), and C/N ratio. The results showed that all types of MPs caused a decrease in the C/N ratio compared to the control, with the high-density polyethylene (HDPE) MPs treatment showing the most significant decrease (from 21 to 9.42). Observations also showed that MPs had an impact on reducing the SR parameters (6.88%–20.41%), pH (6.8–6.1), and EC (525.3–398 µs/cm) in vermicompost, which had an impact on the final product quality thereby reducing the GI (10%–28%). MPs have a significant effect on the C/N ratio in vermicompost, reducing the quality of the compost. This study provides new insights into how MPs can affect the composting process and the quality of the final product, important for sustainable agricultural practices and waste management.

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微塑料对蚯蚓堆肥中碳和氮的影响

微塑料（MPs）对蛭石堆肥中碳（C）和氮（N）含量的影响尚不完全清楚。本研究旨在评估微塑料对蛭石堆肥中碳氮比的影响，碳氮比对土壤质量和健康非常重要。研究在蛭堆肥过程中使用了一种对照处理和六种不同的 MPs。在 60 天的时间间隔内，对 pH 值、导电率 (EC)、种子发芽指数 (GI)、存活率 (SR) 和 C/N 比进行了常规测量。结果表明，与对照组相比，所有类型的 MPs 都会导致 C/N 比值下降，其中高密度聚乙烯（HDPE）MPs 处理的 C/N 比值下降最为显著（从 21 降至 9.42）。观察结果还显示，MPs 对降低蛭石堆肥中的 SR 参数（6.88%-20.41%）、pH 值（6.8-6.1）和 EC 值（525.3-398 µs/cm）有影响，这对最终产品质量有影响，从而降低了 GI 值（10%-28%）。MPs 对蛭石堆肥中的 C/N 比有明显影响，从而降低了堆肥的质量。这项研究为了解 MPs 如何影响堆肥过程和最终产品的质量提供了新的视角，对可持续农业实践和废物管理非常重要。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Environmental Quality Management Environmental Science-Management, Monitoring, Policy and Law

CiteScore

2.20

自引率

0.00%

发文量

期刊介绍： Four times a year, this practical journal shows you how to improve environmental performance and exceed voluntary standards such as ISO 14000. In each issue, you"ll find in-depth articles and the most current case studies of successful environmental quality improvement efforts -- and guidance on how you can apply these goals to your organization. Written by leading industry experts and practitioners, Environmental Quality Management brings you innovative practices in Performance Measurement...Life-Cycle Assessments...Safety Management... Environmental Auditing...ISO 14000 Standards and Certification..."Green Accounting"...Environmental Communication...Sustainable Development Issues...Environmental Benchmarking...Global Environmental Law and Regulation.