A synthesis of the effect of regenerative agriculture on soil carbon sequestration in Southeast Asian croplands

Tan, Stanley S.X.; Kuebbing, Sara E.

doi:10.1016/j.agee.2023.108450

Cited by 15 publications

(4 citation statements)

References 165 publications

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“…The effect of rotation was positive in all cases studied, as the data suggested an increase of SOC content from an average of 11.7 g kg −1 in 2010 to 14.1 g kg −1 in 2018 [57]. The data are interesting considering the environmental aspect of CO2 reduction in the atmosphere, with an accumulation of 8.3 Mg ha −1 in the soil, as reported in Table 6.…”

Section: Discussionmentioning

confidence: 52%

Effects of Different Types of Soil Management on Organic Carbon and Nitrogen Contents and the Stability Index of a Durum Wheat–Faba Bean Rotation under a Mediterranean Climate

2023

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Soil quality, nitrogen, and organic matter content are increasingly being researched due to their impact on the environment. We assessed the effects of different soil management practices on the distribution and accumulation of soil organic carbon (SOC) in a durum wheat–faba bean rotation system cultivated in a Mediterranean-type area of Southern Italy, over six years. The effects of three levels of soil disturbance—conventional tillage (CT), minimum tillage (RT), and no tillage—(NT) on the SOC and nitrogen (N) content at soil depths of 0–15, 15–30, 30–60, and 60–90 cm were compared in a long-term experiment starting in the 2009–2010 growing season. The three soil management systems showed significant differences (p < 0.05) in the surface layer (0–15 cm depth) in SOC content and total nitrogen, with the largest accumulation occurring in the conservation system (NT). In the deep layers (30–60 and 60–90 cm), however, no significant differences were found between the three tillage systems. The ascending order of the tendency to accumulate SOC and N in the soil in the 0–15 cm layer was NT > CT > RT. In addition, the C/N ratio showed a more equilibrated rate in the NT system. The conservation tillage (NT) gave the best results in terms of the physical characteristics of the soil, showing a higher stability index compared to CT and RT. Conservation tillage is therefore recommended for wheat cultivation in the dry areas of Southern Italy, due to its benefits in terms of both crop yield improvements and environmental protection.

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Section: Discussionmentioning

confidence: 52%

Effects of Different Types of Soil Management on Organic Carbon and Nitrogen Contents and the Stability Index of a Durum Wheat–Faba Bean Rotation under a Mediterranean Climate

2023

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“…Many definitions and descriptions of regenerative agriculture exist, some focusing on specific farming processes (e.g., use of cover crops, integration of livestock, and reduced tillage), some on desired outcomes (e.g., improve soil health, sequester carbon, and enhance biodiversity), and some on combinations of the two [15,16]. Regenerative farming practices and their effects can vary with different geographical and social contexts [13,15,17,18]; hence, a more outcome-oriented approach could be more appropriate for the better understanding and adoption of the term, instead of a clear set of practices [19]. Regardless of the particular definition used, regenerative farming has two clear and complementary outcomes: the production of high-quality food and the improvement of the surrounding natural ecosystem [13].…”

Section: Introductionmentioning

confidence: 99%

Biomaterials and Regenerative Agriculture: A Methodological Framework to Enable Circular Transitions

Stathatou,

Corbin,

Meredith

et al. 2023

Sustainability

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Biomaterials, used here to signify 100% biobased and biodegradable materials, can offer a promising solution for transitioning away from fossil-based resources, addressing the climate crisis, and combating plastic pollution. To ensure their environmental benefits, biomaterials must derive from regenerative, non-polluting feedstocks that do not compete with food or feed production. From this perspective, agricultural residues and by-products present a favorable feedstock option for biomaterials production. Although this is an improvement over sourcing them from primary crops, the sustainability of underlying agricultural systems must be considered. Furthermore, the nutrient value of biomaterials for specific soil ecosystems is often overlooked despite their compostability. In this research, we investigate the linkages between biomaterials development and regenerative agriculture, a set of farming practices that can effectively sustain the growing human population while enhancing, rather than degrading, ecosystem health. We explore interdependencies between biomaterials’ production and regenerative agriculture for biomass sourcing and nutrient return and suggest a methodological framework to identify mutual benefits. The extent to which regenerative farms can provide biomaterial feedstocks without compromising crop cultivation and ecosystem health is analyzed together with the potential of biomaterials to deliver beneficial nutrients and services to regenerative systems. Applying this framework to the Great Lakes Region, Michigan, USA, an agricultural hub facing environmental degradation and plastic pollution, reveals synergistic linkages that unlock novel circular economy opportunities, including local production of renewable biomaterials for various applications, enhancing food security and bolstering socio-ecological systems.

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“…While its basic principles can serve as a foundation for developing more sustainable farming systems worldwide, specific practices, outcomes, and participation levels may vary depending on a country's resources, infrastructure, and socioeconomic conditions. In developing countries, RA offers solutions to enhance food security and the potential to increase family farm income [12]. Conversely, in developed countries such as the United States, Germany, and the United Kingdom, RA aligns with principles of environmental stewardship aimed at reducing chemical usage, preserving natural resources, and transitioning toward sustainable and carbon-neutral agriculture that are of importance to markets and governments [13,14].…”

Section: Introductionmentioning

confidence: 99%

Global Application of Regenerative Agriculture: A Review of Definitions and Assessment Approaches

Jayasinghe,

Thomas,

Anderson

et al. 2023

Sustainability

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Regenerative agriculture (RA) is an approach to farming pursued globally for sustaining agricultural production and improving ecosystem services and environmental benefits. However, the lack of a standardized definition and limited bioeconomic assessments hinder the understanding and application of RA more broadly. An initial systematic review revealed a wide range of definitions for regenerative agriculture, although it is generally understood as a framework consisting of principles, practices, or outcomes aimed at improving soil health, biodiversity, climate resilience, and ecosystem function. To address existing gaps, we propose a working definition that integrates socioeconomic outcomes and acknowledges the significance of local knowledge and context to complement established scientific knowledge. A second systematic review identified indicators, tools, and models for assessing biophysical and economic aspects of RA. Additionally, a third literature review aimed to identify the potential integration of advanced analytical methods into future assessments, including artificial intelligence and machine learning. Finally, as a case study, we developed a conceptual framework for the evaluation of the bioeconomic outcomes of RA in the mixed farming setting in Australia. This framework advocates a transdisciplinary approach, promoting a comprehensive assessment of RA outcomes through collaboration, integrated data, holistic frameworks, and stakeholder engagement. By defining, evaluating assessment methods, and proposing a pragmatic framework, this review advances the understanding of RA and guides future research to assess the fit of RA practices to defined contexts.

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A synthesis of the effect of regenerative agriculture on soil carbon sequestration in Southeast Asian croplands

Cited by 15 publications

References 165 publications

Effects of Different Types of Soil Management on Organic Carbon and Nitrogen Contents and the Stability Index of a Durum Wheat–Faba Bean Rotation under a Mediterranean Climate

Effects of Different Types of Soil Management on Organic Carbon and Nitrogen Contents and the Stability Index of a Durum Wheat–Faba Bean Rotation under a Mediterranean Climate

Biomaterials and Regenerative Agriculture: A Methodological Framework to Enable Circular Transitions

Global Application of Regenerative Agriculture: A Review of Definitions and Assessment Approaches

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