Nanobiochar reduces ammonia emission, increases nutrient mineralization from vermicompost, and improves maize productivity

Rashid, Muhammad Imtiaz; Shah, Ghulam Abbas; Iqbal, Zahid; Shahzad, Khurram; Ali, Nadeem; Rehan, Mohammad; Alhakamy, Nabil A.; Klemeš, Jiří Jaromír

doi:10.1016/j.jclepro.2023.137694

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Cited by 9 publications

References 80 publications

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Nanobiochar: A Nanostimulant for Enhancing Soil Quality and Sustainability

Kara,

Amal,

Biswas

et al. 2024

Nanobiostimulants

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Nanobiochar: A Nanostimulant for Enhancing Soil Quality and Sustainability

Kara,

Amal,

Biswas

et al. 2024

Nanobiostimulants

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Nanobiochar-Coating Regulates N and P Release from DAP Fertilizer in Soil and Improves Maize Crop Productivity

Shah,

Mustafa,

Asfour

et al. 2024

J Soil Sci Plant Nutr

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Compost quality, earthworm activities and microbial communities in biochar-augmented vermicomposting of dewatered activated sludge: the role of biochar particle size

Peng,

Wang,

Cui

et al. 2024

Biochar

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Vermicomposting utilizes the synergistic effect of earthworms with microorganisms to accelerate the stabilization of organic matter in biowastes. Nevertheless, the exact mechanism behind the maturity of vermicompost and the growth of earthworms exposed to biochar of varying particle sizes remains unclear. This study presents an investigation of the effect of biochar particle size on earthworm (Eisenia fetida) survival, microbial diversity, and the quality of vermicompost products. To address these issues, pelletized dewatered sludge samples from a municipal sewage treatment plant were amended with pine-based biochar with particle sizes of 1–2 mm, 25–75 μm, 200 nm, and 60 nm as the substrate for vermicomposting. This study revealed that the addition of millimeter-scale biochar and micron-scale biochar significantly promoted the degradation of organic matter since the organic matter in the treatment with 1–2 mm biochar at the end of the vermicomposting experiment decreased by 12.6%, which was equivalent to a 1.9-fold increase compared with that of the control. Excessive nanopowdering of nanobiochar significantly affected the survival of earthworms and led to 24.4–33.3% cumulative mortality, while millimeter-scale (mm) biochar and micron-scale (μm) biochar achieved zero mortality. The findings of this study could be used for evaluating the potential impact of nanoscale biochar to earthworms and guiding biochar-augmented vermicomposting. Graphical Abstract

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Nanobiochar reduces ammonia emission, increases nutrient mineralization from vermicompost, and improves maize productivity

Cited by 9 publications

References 80 publications

Nanobiochar: A Nanostimulant for Enhancing Soil Quality and Sustainability

Nanobiochar: A Nanostimulant for Enhancing Soil Quality and Sustainability

Nanobiochar-Coating Regulates N and P Release from DAP Fertilizer in Soil and Improves Maize Crop Productivity

Compost quality, earthworm activities and microbial communities in biochar-augmented vermicomposting of dewatered activated sludge: the role of biochar particle size

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