Rice‐Animal Co‐Culture Systems Benefit Global Sustainable Intensification

Abstract 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‐ani...

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Main Authors: Jinglan Cui, Hongbin Liu, Hongyuan Wang, Shuxia Wu, Muhammad Amjad Bashir, Stefan Reis, Qiaoyu Sun, Jianming Xu, Baojing Gu
Format: Article
Language:English
Published: Wiley 2023-02-01
Series:Earth's Future
Online Access:https://doi.org/10.1029/2022EF002984
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author Jinglan Cui
Hongbin Liu
Hongyuan Wang
Shuxia Wu
Muhammad Amjad Bashir
Stefan Reis
Qiaoyu Sun
Jianming Xu
Baojing Gu
author_facet Jinglan Cui
Hongbin Liu
Hongyuan Wang
Shuxia Wu
Muhammad Amjad Bashir
Stefan Reis
Qiaoyu Sun
Jianming Xu
Baojing Gu
author_sort Jinglan Cui
collection DOAJ
description Abstract 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.
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spelling doaj.art-27051ec16bbe4accb8a700f99df1962e2023-02-24T17:18:32ZengWileyEarth's Future2328-42772023-02-01112n/an/a10.1029/2022EF002984Rice‐Animal Co‐Culture Systems Benefit Global Sustainable IntensificationJinglan Cui0Hongbin Liu1Hongyuan Wang2Shuxia Wu3Muhammad Amjad Bashir4Stefan Reis5Qiaoyu Sun6Jianming Xu7Baojing Gu8College of Environmental and Resource Sciences Zhejiang University Hangzhou ChinaKey Laboratory of Nonpoint Source Pollution Control Ministry of Agriculture and Rural Affairs Institute of Agricultural Resources and Regional Planning Chinese Academy of Agricultural Sciences Beijing ChinaKey Laboratory of Nonpoint Source Pollution Control Ministry of Agriculture and Rural Affairs Institute of Agricultural Resources and Regional Planning Chinese Academy of Agricultural Sciences Beijing ChinaKey Laboratory of Nonpoint Source Pollution Control Ministry of Agriculture and Rural Affairs Institute of Agricultural Resources and Regional Planning Chinese Academy of Agricultural Sciences Beijing ChinaKey Laboratory of Nonpoint Source Pollution Control Ministry of Agriculture and Rural Affairs Institute of Agricultural Resources and Regional Planning Chinese Academy of Agricultural Sciences Beijing ChinaUK Centre for Ecology & Hydrology Midlothian UKKey Laboratory of Nonpoint Source Pollution Control Ministry of Agriculture and Rural Affairs Institute of Agricultural Resources and Regional Planning Chinese Academy of Agricultural Sciences Beijing ChinaCollege of Environmental and Resource Sciences Zhejiang University Hangzhou ChinaCollege of Environmental and Resource Sciences Zhejiang University Hangzhou ChinaAbstract 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.https://doi.org/10.1029/2022EF002984
spellingShingle Jinglan Cui
Hongbin Liu
Hongyuan Wang
Shuxia Wu
Muhammad Amjad Bashir
Stefan Reis
Qiaoyu Sun
Jianming Xu
Baojing Gu
Rice‐Animal Co‐Culture Systems Benefit Global Sustainable Intensification
Earth's Future
title Rice‐Animal Co‐Culture Systems Benefit Global Sustainable Intensification
title_full Rice‐Animal Co‐Culture Systems Benefit Global Sustainable Intensification
title_fullStr Rice‐Animal Co‐Culture Systems Benefit Global Sustainable Intensification
title_full_unstemmed Rice‐Animal Co‐Culture Systems Benefit Global Sustainable Intensification
title_short Rice‐Animal Co‐Culture Systems Benefit Global Sustainable Intensification
title_sort rice animal co culture systems benefit global sustainable intensification
url https://doi.org/10.1029/2022EF002984
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