A meta-analysis of ecological functions and economic benefits of co-culture models in paddy fields

Publikation: Beitrag in FachzeitschriftArtikelForschungPeer-Review

Autoren

  • Haiyang Yu
  • Xuechen Zhang
  • Wanyu Shen
  • Huaiying Yao
  • Xiangtian Meng
  • Jieyi Zeng
  • Guangbin Zhang
  • Kazem Zamanien

Organisationseinheiten

Externe Organisationen

  • Chinese Academy of Sciences (CAS)
  • Haixi Institutes of Chinese Academy of Sciences and People's Government of Beilun District
  • Northwest Agriculture and Forestry University
  • Wuhan Institute of Technology
  • Graduate University of Chinese Academy of Sciences
  • Nanjing University of Information Science and Technology
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Details

OriginalspracheEnglisch
Aufsatznummer108195
FachzeitschriftAgriculture, Ecosystems and Environment
Jahrgang341
Frühes Online-Datum1 Okt. 2022
PublikationsstatusVeröffentlicht - 1 Jan. 2023

Abstract

The co-culture of rice and poultry/aquatic animals has become a popular strategy to ensure the critical ecological functions and economic benefits of this ecosystem in recent years. Yet, quantitative synthetic effects of co-culture models on ecological functions and economic benefits in paddy fields are poorly understood. This study conducted a meta-analysis of 4707 observations from 224 published papers on the outcomes of co-culture models in paddy fields. On aggregate, co-culture models significantly reduced CH4 emissions by 14.8 % as compared with rice monoculture, but did not affect rice yields, N2O emissions, and greenhouse gas intensity (GHGI). However, significant differences in rice yields, CH4 emissions, GHGI, and economic benefits were observed among various co-culture models and rice-growing regions. Particularly, the co-culture models in East Asia significantly increased rice yields (+2.2 %), reduced CH4 emissions (–22.1 %), and GHGI (–9.4 %). Importantly, co-culture models improved rice grain quality. Furthermore, co-culture models increased soil fertility (7.8–16.2 %), nutrients content in paddy water (26.2–87.0 %), and net ecological and economic benefits (31.7–71.1 %), while decreasing diseases, pests, and weeds (37.0–84.6 %) in paddy fields. Additionally, we suggest that the production of poultry or aquatic animals that alters input and output would increase net income, and it is necessary to develop co-culture models in paddy fields according to regional differences in the agricultural environment. Therefore, our study provides a reference for maximizing ecological and economic benefits of suitable co-culture models in rice-planted areas.

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A meta-analysis of ecological functions and economic benefits of co-culture models in paddy fields. / Yu, Haiyang; Zhang, Xuechen; Shen, Wanyu et al.
in: Agriculture, Ecosystems and Environment, Jahrgang 341, 108195, 01.01.2023.

Publikation: Beitrag in FachzeitschriftArtikelForschungPeer-Review

Yu H, Zhang X, Shen W, Yao H, Meng X, Zeng J et al. A meta-analysis of ecological functions and economic benefits of co-culture models in paddy fields. Agriculture, Ecosystems and Environment. 2023 Jan 1;341:108195. Epub 2022 Okt 1. doi: 10.1016/j.agee.2022.108195
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abstract = "The co-culture of rice and poultry/aquatic animals has become a popular strategy to ensure the critical ecological functions and economic benefits of this ecosystem in recent years. Yet, quantitative synthetic effects of co-culture models on ecological functions and economic benefits in paddy fields are poorly understood. This study conducted a meta-analysis of 4707 observations from 224 published papers on the outcomes of co-culture models in paddy fields. On aggregate, co-culture models significantly reduced CH4 emissions by 14.8 % as compared with rice monoculture, but did not affect rice yields, N2O emissions, and greenhouse gas intensity (GHGI). However, significant differences in rice yields, CH4 emissions, GHGI, and economic benefits were observed among various co-culture models and rice-growing regions. Particularly, the co-culture models in East Asia significantly increased rice yields (+2.2 %), reduced CH4 emissions (–22.1 %), and GHGI (–9.4 %). Importantly, co-culture models improved rice grain quality. Furthermore, co-culture models increased soil fertility (7.8–16.2 %), nutrients content in paddy water (26.2–87.0 %), and net ecological and economic benefits (31.7–71.1 %), while decreasing diseases, pests, and weeds (37.0–84.6 %) in paddy fields. Additionally, we suggest that the production of poultry or aquatic animals that alters input and output would increase net income, and it is necessary to develop co-culture models in paddy fields according to regional differences in the agricultural environment. Therefore, our study provides a reference for maximizing ecological and economic benefits of suitable co-culture models in rice-planted areas.",
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T1 - A meta-analysis of ecological functions and economic benefits of co-culture models in paddy fields

AU - Yu, Haiyang

AU - Zhang, Xuechen

AU - Shen, Wanyu

AU - Yao, Huaiying

AU - Meng, Xiangtian

AU - Zeng, Jieyi

AU - Zhang, Guangbin

AU - Zamanien, Kazem

N1 - Funding Information: This work was supported by grants from the National Natural Science Foundation of China ( 42021005 , 42077036 , 42050410320 ) and Ningbo Municipal Science and Technology Bureau ( 2021Z047 ). We would also like to extend sincere thanks to the editor and reviewers for their valuable and constructive comments and suggestions that improved the quality of this paper greatly.

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N2 - The co-culture of rice and poultry/aquatic animals has become a popular strategy to ensure the critical ecological functions and economic benefits of this ecosystem in recent years. Yet, quantitative synthetic effects of co-culture models on ecological functions and economic benefits in paddy fields are poorly understood. This study conducted a meta-analysis of 4707 observations from 224 published papers on the outcomes of co-culture models in paddy fields. On aggregate, co-culture models significantly reduced CH4 emissions by 14.8 % as compared with rice monoculture, but did not affect rice yields, N2O emissions, and greenhouse gas intensity (GHGI). However, significant differences in rice yields, CH4 emissions, GHGI, and economic benefits were observed among various co-culture models and rice-growing regions. Particularly, the co-culture models in East Asia significantly increased rice yields (+2.2 %), reduced CH4 emissions (–22.1 %), and GHGI (–9.4 %). Importantly, co-culture models improved rice grain quality. Furthermore, co-culture models increased soil fertility (7.8–16.2 %), nutrients content in paddy water (26.2–87.0 %), and net ecological and economic benefits (31.7–71.1 %), while decreasing diseases, pests, and weeds (37.0–84.6 %) in paddy fields. Additionally, we suggest that the production of poultry or aquatic animals that alters input and output would increase net income, and it is necessary to develop co-culture models in paddy fields according to regional differences in the agricultural environment. Therefore, our study provides a reference for maximizing ecological and economic benefits of suitable co-culture models in rice-planted areas.

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KW - Food security

KW - Global warming

KW - Land productivity

KW - Paddy

KW - Soil health

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