What are the carbon services from cover-crop adoption worth from farmers' perspective?

IF 3.3 2区经济学 Q1 AGRICULTURAL ECONOMICS & POLICY

American Journal of Agricultural Economics Pub Date : 2026-04-02 Epub Date: 2025-07-09 DOI:10.1111/ajae.70005

Saurav Raj Kunwar, Robert G. Chambers, Laura F. Gentry, Teresa Serra

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Abstract

We derive shadow prices of carbon services provided by cover crops relative to non-cover-crop agricultural practices, accounting for carbon sequestration and greenhouse gas (GHG) emissions. We model the agricultural technology by integrating crop production, carbon sequestration, and GHG emissions. We derive a novel function representation of our technology using a data envelopment analysis (DEA). We then calculate shadow prices based on the dual representation of the technology and compare shadow prices between cover-crop and non-cover-crop fields. We find that the carbon sequestration and the GHG emissions reduction services from cover-crop fields relative to non-cover-crop fields are worth USD 17.88 and USD 9.42 per acre, respectively. We compare shadow prices to payments from an incentive program aimed at promoting cover-crop adoption, thereby highlighting the economic feasibility and potential barriers to adopting sustainable practices.

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从农民的角度来看，采用覆盖作物带来的碳服务价值是什么？

考虑到碳固存和温室气体（GHG）排放，我们得出了覆盖作物提供的碳服务相对于非覆盖作物的影子价格。我们通过整合作物生产、碳固存和温室气体排放来模拟农业技术。我们使用数据包络分析（DEA）推导出我们技术的新函数表示。然后，我们根据技术的双重表示计算影子价格，并比较覆盖作物和非覆盖作物的影子价格。研究发现，与不覆盖农田相比，覆盖农田的碳固存和温室气体减排服务价值分别为每英亩17.88美元和9.42美元。我们将影子价格与旨在促进采用覆盖作物的激励计划的支付进行了比较，从而突出了采用可持续做法的经济可行性和潜在障碍。

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来源期刊

American Journal of Agricultural Economics 管理科学-农业经济与政策

CiteScore

9.10

自引率

4.80%

发文量

审稿时长

12-24 weeks

期刊介绍： The American Journal of Agricultural Economics provides a forum for creative and scholarly work on the economics of agriculture and food, natural resources and the environment, and rural and community development throughout the world. Papers should relate to one of these areas, should have a problem orientation, and should demonstrate originality and innovation in analysis, methods, or application. Analyses of problems pertinent to research, extension, and teaching are equally encouraged, as is interdisciplinary research with a significant economic component. Review articles that offer a comprehensive and insightful survey of a relevant subject, consistent with the scope of the Journal as discussed above, will also be considered. All articles published, regardless of their nature, will be held to the same set of scholarly standards.