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Increasing plant diversity with border crops reduces insecticide use and increases crop yield in urban agriculture

Urban agriculture is making an increasing contribution to food security in large cities around the world. The potential contribution of biodiversity to ecological intensification in urban agricultural systems has not been investigated. We present monitoring data collected from rice fields in 34 comm...

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Autores principales: Wan, Nian-Feng, Cai, You-Ming, Shen, Yan-Jun, Ji, Xiang-Yun, Wu, Xiang-Wen, Zheng, Xiang-Rong, Cheng, Wei, Li, Jun, Jiang, Yao-Pei, Chen, Xin, Weiner, Jacob, Jiang, Jie-Xian, Nie, Ming, Ju, Rui-Ting, Yuan, Tao, Tang, Jian-Jun, Tian, Wei-Dong, Zhang, Hao, Li, Bo
Formato: Online Artículo Texto
Lenguaje:English
Publicado: eLife Sciences Publications, Ltd 2018
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5967864/
https://www.ncbi.nlm.nih.gov/pubmed/29792597
http://dx.doi.org/10.7554/eLife.35103
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author Wan, Nian-Feng
Cai, You-Ming
Shen, Yan-Jun
Ji, Xiang-Yun
Wu, Xiang-Wen
Zheng, Xiang-Rong
Cheng, Wei
Li, Jun
Jiang, Yao-Pei
Chen, Xin
Weiner, Jacob
Jiang, Jie-Xian
Nie, Ming
Ju, Rui-Ting
Yuan, Tao
Tang, Jian-Jun
Tian, Wei-Dong
Zhang, Hao
Li, Bo
author_facet Wan, Nian-Feng
Cai, You-Ming
Shen, Yan-Jun
Ji, Xiang-Yun
Wu, Xiang-Wen
Zheng, Xiang-Rong
Cheng, Wei
Li, Jun
Jiang, Yao-Pei
Chen, Xin
Weiner, Jacob
Jiang, Jie-Xian
Nie, Ming
Ju, Rui-Ting
Yuan, Tao
Tang, Jian-Jun
Tian, Wei-Dong
Zhang, Hao
Li, Bo
author_sort Wan, Nian-Feng
collection PubMed
description Urban agriculture is making an increasing contribution to food security in large cities around the world. The potential contribution of biodiversity to ecological intensification in urban agricultural systems has not been investigated. We present monitoring data collected from rice fields in 34 community farms in mega-urban Shanghai, China, from 2001 to 2015, and show that the presence of a border crop of soybeans and neighboring crops (maize, eggplant and Chinese cabbage), both without weed control, increased invertebrate predator abundance, decreased the abundance of pests and dependence on insecticides, and increased grain yield and economic profits. Two 2 year randomized experiments with the low and high diversity practices in the same locations confirmed these results. Our study shows that diversifying farming practices can make an important contribution to ecological intensification and the sustainable use of associated ecosystem services in an urban ecosystem.
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spelling pubmed-59678642018-05-29 Increasing plant diversity with border crops reduces insecticide use and increases crop yield in urban agriculture Wan, Nian-Feng Cai, You-Ming Shen, Yan-Jun Ji, Xiang-Yun Wu, Xiang-Wen Zheng, Xiang-Rong Cheng, Wei Li, Jun Jiang, Yao-Pei Chen, Xin Weiner, Jacob Jiang, Jie-Xian Nie, Ming Ju, Rui-Ting Yuan, Tao Tang, Jian-Jun Tian, Wei-Dong Zhang, Hao Li, Bo eLife Ecology Urban agriculture is making an increasing contribution to food security in large cities around the world. The potential contribution of biodiversity to ecological intensification in urban agricultural systems has not been investigated. We present monitoring data collected from rice fields in 34 community farms in mega-urban Shanghai, China, from 2001 to 2015, and show that the presence of a border crop of soybeans and neighboring crops (maize, eggplant and Chinese cabbage), both without weed control, increased invertebrate predator abundance, decreased the abundance of pests and dependence on insecticides, and increased grain yield and economic profits. Two 2 year randomized experiments with the low and high diversity practices in the same locations confirmed these results. Our study shows that diversifying farming practices can make an important contribution to ecological intensification and the sustainable use of associated ecosystem services in an urban ecosystem. eLife Sciences Publications, Ltd 2018-05-24 /pmc/articles/PMC5967864/ /pubmed/29792597 http://dx.doi.org/10.7554/eLife.35103 Text en © 2018, Wan et al http://creativecommons.org/licenses/by/4.0/ http://creativecommons.org/licenses/by/4.0/This article is distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/) , which permits unrestricted use and redistribution provided that the original author and source are credited.
spellingShingle Ecology
Wan, Nian-Feng
Cai, You-Ming
Shen, Yan-Jun
Ji, Xiang-Yun
Wu, Xiang-Wen
Zheng, Xiang-Rong
Cheng, Wei
Li, Jun
Jiang, Yao-Pei
Chen, Xin
Weiner, Jacob
Jiang, Jie-Xian
Nie, Ming
Ju, Rui-Ting
Yuan, Tao
Tang, Jian-Jun
Tian, Wei-Dong
Zhang, Hao
Li, Bo
Increasing plant diversity with border crops reduces insecticide use and increases crop yield in urban agriculture
title Increasing plant diversity with border crops reduces insecticide use and increases crop yield in urban agriculture
title_full Increasing plant diversity with border crops reduces insecticide use and increases crop yield in urban agriculture
title_fullStr Increasing plant diversity with border crops reduces insecticide use and increases crop yield in urban agriculture
title_full_unstemmed Increasing plant diversity with border crops reduces insecticide use and increases crop yield in urban agriculture
title_short Increasing plant diversity with border crops reduces insecticide use and increases crop yield in urban agriculture
title_sort increasing plant diversity with border crops reduces insecticide use and increases crop yield in urban agriculture
topic Ecology
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5967864/
https://www.ncbi.nlm.nih.gov/pubmed/29792597
http://dx.doi.org/10.7554/eLife.35103
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