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侵略的植物を持続可能なバイオ炭原料として:生産、応用、環境影響

Invasive plants as sustainable biochar feedstocks: Production, applications, and environmental implications (原題)

Ajay Krishna V, Aneesh KS, Prasanthi K, Ruby P, Kavya Raj A, Gopika SR

International Journal of Research in Agronomy📚 査読済 / ジャーナル2026-08-01#炭素会計Origin: Global経営インパクト: コスト削減対象セクター: agriculture
DOI: 10.33545/2618060x.2026.v9.i8sf.6360
原典: https://doi.org/10.33545/2618060x.2026.v9.i8sf.6360
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🤖 gxceed AI 要約

日本語

侵略的外来植物のバイオマスを熱分解してバイオ炭を生産する方法を体系的にレビュー。温度300-700℃で多様な特性のバイオ炭が得られ、農業での収量向上、重金属吸着(カドミウム38.10 mg/g、鉛358.7 mg/g)、炭素隔離(鉱山土壌で91%増)などの効果を確認。循環経済アプローチとして生態系回復と廃棄物価値化を同時に実現する可能性を示す。

English

This systematic review synthesizes knowledge on converting invasive plant biomass into biochar via pyrolysis. Pyrolysis temperature (300-700°C) critically shapes biochar properties, with applications in agriculture (5-20 t/ha optimal), heavy metal adsorption (Cd 38.10 mg/g, Pb 358.7 mg/g), and carbon sequestration (up to 91% increase in reclaimed mine soils). It highlights a circular economy approach integrating invasive plant management with biochar production, addressing ecological restoration and waste valorization.

Unofficial AI-generated summary based on the public title and abstract. Not an official translation.

📝 gxceed 編集解説 — Why this matters

日本のGX文脈において

日本では侵略的外来植物の管理が課題であり、バイオ炭化は農地土壌改良や炭素貯留に貢献し得る。また、バイオ炭はJ-クレジット制度の対象となり得るため、カーボンニュートラル施策と連動する可能性がある。

In the global GX context

Globally, this review supports climate change mitigation through carbon sequestration and offers a circular economy solution for invasive species management. It aligns with international sustainability goals and provides evidence for biochar as a negative emission technology, relevant to carbon credit markets and sustainable land management practices.

👥 読者別の含意

🔬研究者:Provides a comprehensive synthesis of biochar production parameters and applications, useful for further research in carbon sequestration and soil science.

🏢実務担当者:Offers practical insights for agricultural and environmental remediation projects, including optimal application rates and potential for carbon credits.

🏛政策担当者:Highlights the need for regulatory frameworks to support biochar commercialization and its integration into climate mitigation strategies.

📄 Abstract(原文)

Invasive alien plants pose a significant global ecological challenge, threatening biodiversity, ecosystem functioning, and human health, while generating substantial biomass waste during management. This systematic review synthesises current knowledge on converting invasive plant biomass into biochar via pyrolysis, examining production parameters, physicochemical characteristics, and applications across agriculture, environmental remediation, carbon sequestration, and emerging technologies. Pyrolysis temperature emerges as the most critical factor shaping biochar properties, with temperatures of 300-700 °C yielding materials with varied surface areas, functional groups, and carbon stability suitable for diverse applications. Agricultural applications demonstrate enhanced crop productivity, improved soil health, increased nutrient availability, and disease suppression, with biochar application rates of 5-20 t/ha yielding optimal benefits. Environmental remediation applications show significant potential for heavy metal adsorption, with maximum capacities reaching 38.10 mg•g⁻¹ for cadmium and 358.7 mg•g⁻¹ for lead, alongside effective removal of organic pollutants and municipal wastewater treatment. Carbon sequestration studies confirm biochar's climate change mitigation potential, with applications in reclaimed mine soils increasing total carbon stock by up to 91%. Emerging applications in geotechnical engineering, constructed wetlands, and slow-release fertilisers expand the utility of invasive plant-derived biochar. Risk assessment studies identify potential contaminants, including persistent free radicals, polycyclic aromatic hydrocarbons, and heavy metals, that require mitigation strategies. Integrating invasive plant management with biochar production offers a promising circular economy approach that simultaneously addresses ecological restoration, waste valorisation, and sustainable resource utilisation. Future research priorities include assessing long-term field performance, optimising economic feasibility, standardising properties, evaluating ecotoxicological risks, and developing regulatory frameworks to support widespread adoption and commercialisation.

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