Decades matter: Agricultural diversification increases financial profitability, biodiversity, and ecosystem services over time
Estelle Raveloaritiana (1, 2), Thomas Cherico Wanger (1, 2 and,3, and,4, 5) ((1) Sustainable Agricultural Systems & Engineering Laboratory,, School of Engineering, Westlake University, Hangzhou, China, (2) Key, Laboratory of Coastal Environment, Resources of Zhejiang Province,

TL;DR
This study demonstrates that agricultural diversification practices significantly enhance long-term profitability, biodiversity, and ecosystem services over 20 to 50 years, supporting sustainable food production and climate mitigation.
Contribution
It provides the first comprehensive long-term quantitative analysis of diversification benefits across socioeconomic and ecological domains using 50 years of data.
Findings
Financial profitability increased by up to 2823% over 20 years.
Biodiversity and soil quality benefits increased by up to 2000% after 50 years.
Initial 25-year period showed win-win outcomes between yield and ecosystem services.
Abstract
Sustainable agriculture in the 21st century requires the production of sufficient food while reducing the environmental impact and safeguarding human livelihoods. Many studies have confirmed agricultural diversification practices such as intercropping, organic farming and soil inoculations as a suitable pathway to achieve these goals, but long-term viability of socioeconomic and ecological benefits is uncertain. Here, we quantified the long-term effects of agricultural diversification practices on socioeconomic and ecological benefits based on 50 years of data from 184 meta-analyses and 4,260 effect sizes. We showed that, with neutral crop yield over time, financial profitability, most variables related to biological communities, all aspects of soil quality, and carbon sequestration benefits increased by up to 2823% over 20 years of practice. Non-crop diversification practices and the…
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Taxonomy
TopicsAgricultural Innovations and Practices · Land Use and Ecosystem Services
