Rice‐animal co‐culture systems benefit global sustainable intensification

Cui, Jinglan; Liu, Hongbin; Wang, Hongyuan; Wu, Shuxia; Bashir, Muhammad Amjad; Reis, Stefan ORCID:; Sun, Qiaoyu; Xu, Jianming; Gu, Baojing. 2023 Rice‐animal co‐culture systems benefit global sustainable intensification. Earth's Future, 11 (2), e2022EF002984. 18, pp.

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Producing more food with less pollution and greenhouse gas emissions is a grand challenge for the 21st century. Strategies to successfully promote win-win outcomes for both food security and environmental health are not easy to identify. Here we comprehensively assess an ecological rice-animal co-culture system (RAC) (e.g., rice-fish, rice-duck, and rice-crayfish) through a global meta-analysis and identify the potential benefits of global promotion. Compared to traditional monoculture of rice or animal production, the RAC can not only reduce the demand for agricultural land areas, but also increase rice yields (+4%) as well as nitrogen use efficiency of rice (+6%). At the same time, RAC reduces nitrogen losses (−16% runoff and −13% leaching) and methane emissions (−11%), except for rice-fish coculture systems, which are likely to increase methane emissions (+29%). Furthermore, RAC increases the net income of farmers through reducing cost of fertilizer and pesticide input and achieving higher outputs with more marketable products. According to the development stage of different countries, promotion of RAC will thus realize multiple benefits and aid sustainable intensification.

Item Type: Publication - Article
Digital Object Identifier (DOI):
UKCEH and CEH Sections/Science Areas: Atmospheric Chemistry and Effects (Science Area 2017-)
ISSN: 2328-4277
Additional Information. Not used in RCUK Gateway to Research.: Open Access paper - full text available via Official URL link.
NORA Subject Terms: Agriculture and Soil Science
Atmospheric Sciences
Date made live: 05 Apr 2023 13:40 +0 (UTC)

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