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Ecological intensification of rice production through rice-fish co-culture

文献类型： 外文期刊

作者： Wan, Nian-Feng 1 ; Li, Shuang-Xi 1 ; Li, Tao 1 ; Cavalieri, Andrea 3 ; Weiner, Jacob 3 ; Zheng, Xian-Qing 1 ; Ji, Xian 1 ;

作者机构： 1.Shanghai Acad Agr Sci, Shanghai Key Lab Protected Hort Technol, Agr Environm & Farmland Conservat Expt Stn,Ecoenv, Minist Agr,Shanghai Engn Res Ctr Low Carbon Agr, Shanghai 201403, Peoples R China

2.Fudan Univ, SIEC, Minist Educ,Key Lab Biodivers Sci & Ecol Engn, Shanghai Chongming Dongtan Wetland Ecosyst Res St, Shanghai 200438, Peoples R China

3.Univ Copenhagen, Dept Plant & Environm Sci, DK-1958 Frederiksberg, Denmark

4.Shanghai Lanhui Ecoagr Sci & Technol Co Ltd, Shanghai 202152, Peoples R China

5.Shanghai Yingxi Fruit & Vegetable Profess Coopera, Shanghai 202152, Peoples R China

关键词： Chongming eco-island; Land use change; Loach; Pesticide pollution; Soil environment; Yellow finless eel

期刊名称：JOURNAL OF CLEANER PRODUCTION （ 影响因子：9.297； 五年影响因子：9.444 ）

ISSN： 0959-6526

年卷期： 2019 年 234 卷

页码：

收录情况： SCI

摘要： Increased biodiversity can make valuable contributions to food production and security around the world. The role of plant species diversity for "ecological intensification" of agriculture has been widely recognised, but the potential contribution of multi-trophic-level production systems, such as rice-fish coculture, has received less attention. A continuous 4-year experiment (2015-2018) was conducted comparing rice-fish (yellow finless eel and loath) co-culture, and mono-rice planting practices on the Chongming Eco-island of China. During the experiment, pests (insect herbivores and weeds), arthropods, pesticides, grain and marketable fish yield were sampled, soil quality (available nitrogen, phosphorus and potassium, total nitrogen, organic matter content and pH) and rice grain quality (protein content, chalkiness, gel consistency, amylose content) were evaluated, and an economic analysis were performed. Fish decreased herbivore insect abundance by 24.07%, reduced weeds abundance, richness and biomass by 67.62, 62.01 and 58.88% respectively, increased invertebrate predator abundance by 19.48%, and reduced the need for pesticide by 23.4%. Co-culture practice produced an average economic values 10.33% higher than in the mono-rice farming. In addition, rice-fish co-culture enhanced both soil and rice quality. Our results confirm that rice-fish co-culture can be an effective form of ecological intensification, incorporating and contributing ecosystem services in agricultural production and increasing sustainability. (C) 2019 Elsevier Ltd. All rights reserved.

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