Use of Biochar in Sustainable Agriculture

Gogoi, Nirmali; Sarma, Banashree; Mondal, Subham C.; Kataki, Rupam; Garg, Ankit

doi:10.1007/978-3-030-23169-9_16

Cited by 6 publications

(2 citation statements)

References 229 publications

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“…For instance, Europe is annually producing 1.3 billion tons of waste, of which 700 million tons are generated from the agricultural activities (Pavwelczyk, 2005). It is believed that agriculture is an important contributor to global pollution, natural resources stress, loss of biodiversity and ecosystems toxicity due to the excessive use of inorganic fertilizers, which contributed immensely to soil and water pollution (Ellen MacArthur Foundation, 2019;Gogoi et al, 2019). A degradation of soil quality (soil acidity, depletion of soil organic matter stock, soil erosion) could also be claimed after a long-term cultivation, which can affect the agricultural productivity (De Meyer et al, 2011).…”

Section: Role Of Ce For Sustainable Agriculturementioning

confidence: 99%

Contribution of biochar application to the promotion of circular economy in agriculture

Enaime,

Wichern,

Lübken

2023

Front. Agron.

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The traditional linear model in agriculture based on the so-called ‘take-make-waste’ has created many problems such as resource scarcity, waste generation, climate change and biodiversity loss. Recently, with the increase in public awareness, the attentiveness in developing a circular economy model was doubled with a focus on proper waste management to bring some benefits to the agricultural sector. Although the increasing acceptance of biochar as a carbon-based material capable of playing a multidimensional role in reducing waste, mitigating climate change, and creating a closed-loop agricultural system, it is still far to move to a final conclusion that biochar application in agriculture could bring attractive environmental and economic benefits. Research conducted so far has led to many insights into how to enhance agricultural sustainability through biochar application, as the impact of biochar is strongly interrelated to their inherent properties, which vary deeply with the nature of biomass and the preparation conditions. In the present study, a systematic literature review was performed to investigate the state- of-the-art research related to the application of biochar in agriculture and its contribution in the establishment of circular economy concept. The interlinking between biochar application in agriculture with energy-water systems and its contribution to successfully build up a circular economy model has also been investigated.

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Section: Role Of Ce For Sustainable Agriculturementioning

confidence: 99%

Contribution of biochar application to the promotion of circular economy in agriculture

Enaime,

Wichern,

Lübken

2023

Front. Agron.

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“…Leng and Huang ( 2018) assessed the impacts that pyrolysis parameters have on the stability of biochar in soils and the carbon permanence of biochar in soils. Typically, biochar application to soils is followed by a short period of increased CO 2 emissions followed by long-term carbon storage and sequestration (Brassard et al, 2016;Gogoi et al, 2019). Carbon stability in biochar, regardless of feedstock, is optimal when produced under high temperatures (500 to 700℃) (Leng and Huang, 2018).…”

Section: Biocharmentioning

confidence: 99%

Coupling Circularity With Carbon Negativity in Food and Agriculture Systems

Lower¹,

Cunniffe²,

Ji³

et al. 2022

Journal of the ASABE

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HighlightsMany technologies required for circularity have the added benefit of carbon negativity.Precision agriculture, soil carbon sequestration, and biorefining couple circularity with carbon negativity.Stakeholders from many disciplines are needed to successfully couple circularity with carbon negativity.Abstract. Achieving a circular economy is critical for a sustainable future, particularly in sectors that currently produce resource-intensive products in a linear fashion, such as food and agriculture. At the same time, technologies that remove atmospheric CO2, often referred to as carbon dioxide removal (CDR) or carbon negativity, must be developed and deployed rapidly if we are to avoid the worst effects of climate change. Circularity and CDR are often assessed and discussed independently, even though they are highly intertwined. Innovations to food and agriculture systems are essential to achieving a circular economy and enabling rapid deployment of CDR technologies. We explore critical areas of technology that must undergo rapid innovation (upstream and downstream) to food processing and consumption, namely precision and regenerative agriculture and biorefining, respectively. If implemented at scale, these two areas of technology have the potential to couple circularity with carbon negativity in food production systems. Keywords: Biorefining, Carbon dioxide removal, Circularity, Food and agriculture systems, Precision agriculture, Soil carbon sequestration.

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Biochar as a negative emission technology: A synthesis of field research on greenhouse gas emissions

et al. 2023

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Biochar is one of the few nature‐based technologies with potential to help achieve net‐zero emissions agriculture. Such an outcome would involve the mitigation of greenhouse gas (GHG) emission from agroecosystems and optimization of soil organic carbon sequestration. Interest in biochar application is heightened by its several co‐benefits. Several reviews summarized past investigations on biochar, but these reviews mostly included laboratory, greenhouse, and mesocosm experiments. A synthesis of field studies is lacking, especially from a climate change mitigation standpoint. Our objectives are to (1) synthesize advances in field‐based studies that have examined the GHG mitigation capacity of soil application of biochar and (2) identify limitations of the technology and research priorities. Field studies, published before 2022, were reviewed. Biochar has variable effects on GHG emissions, ranging from decrease, increase, to no change. Across studies, biochar reduced emissions of nitrous oxide (N2O) by 18% and methane (CH4) by 3% but increased carbon dioxide (CO2) by 1.9%. When biochar was combined with N‐fertilizer, it reduced CO2, CH4, and N2O emissions in 61%, 64%, and 84% of the observations, and biochar plus other amendments reduced emissions in 78%, 92%, and 85% of the observations, respectively. Biochar has shown potential to reduce GHG emissions from soils, but long‐term studies are needed to address discrepancies in emissions and identify best practices (rate, depth, and frequency) of biochar application to agricultural soils.

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Use of Biochar in Sustainable Agriculture

Cited by 6 publications

References 229 publications

Contribution of biochar application to the promotion of circular economy in agriculture

Contribution of biochar application to the promotion of circular economy in agriculture

Coupling Circularity With Carbon Negativity in Food and Agriculture Systems

Biochar as a negative emission technology: A synthesis of field research on greenhouse gas emissions

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