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Quantifying economically and ecologically optimum nitrogen rates for rice production in south-eastern China
► Overuse of fertilizer N has become widespread in China. ► We quantified the optimum N rates for rice production in south-eastern China. ► The estimated optimum N rates ranged from 90 to 285 kg ha −1. ► Cutting one-third of the N use would be feasible in Jiangsu Province. China consumes 32% of the...
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| Published in: | Agriculture, ecosystems & environment ecosystems & environment, 2011-08, Vol.142 (3), p.195-204 |
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| Main Authors: | , , |
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| cites | cdi_FETCH-LOGICAL-c419t-110c3cbda0786f0ac0bbd98e637c3c030d6a72aa1e5efd8cbd7bed0b1cf38c8e3 |
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| container_title | Agriculture, ecosystems & environment |
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| creator | Chen, Jing Huang, Yao Tang, Yonghua |
| description | ► Overuse of fertilizer N has become widespread in China. ► We quantified the optimum N rates for rice production in south-eastern China. ► The estimated optimum N rates ranged from 90 to 285
kg
ha
−1. ► Cutting one-third of the N use would be feasible in Jiangsu Province.
China consumes 32% of the world's total synthetic fertilizer nitrogen (N). Overuse of fertilizer N has become widespread, resulting in severe environmental problems. Based on a set of statistical models, we quantified the optimum N rates for rice production in terms of economic and ecological benefits. Model fitting results suggested that the dependence of rice yield, N uptake and N loss on fertilizer N application rates can be well determined by a quadratic polynomial function, a logistic function and a power function, respectively. Using these functions, the economically optimum and ecologically optimum N rates in south-eastern China were estimated to be 180–285
kg
ha
−1 and 90–150
kg
ha
−1, respectively, depending on rice subspecies, varieties and cropping systems. A case study in Jiangsu Province, where single rice with conventional
japonica varieties is dominated, suggested that current N rates (∼390
kg
ha
−1) could be cut by 26% and 61% when the economically and ecologically optimum N rates, respectively, are adopted, saving 189
×
10
3 and 442
×
10
3 metric tons per year, respectively. Cutting one-third of the N use would not reduce rice yield but is expected to mitigate negative environmental impact in this province. |
| doi_str_mv | 10.1016/j.agee.2011.05.005 |
| format | article |
| fullrecord | <record><control><sourceid>proquest_cross</sourceid><recordid>TN_cdi_proquest_miscellaneous_888104735</recordid><sourceformat>XML</sourceformat><sourcesystem>PC</sourcesystem><els_id>S0167880911001459</els_id><sourcerecordid>888104735</sourcerecordid><originalsourceid>FETCH-LOGICAL-c419t-110c3cbda0786f0ac0bbd98e637c3c030d6a72aa1e5efd8cbd7bed0b1cf38c8e3</originalsourceid><addsrcrecordid>eNp9kU2LFDEQhoMoOK7-AS_mInrpttLp7mTAiwzrByyI6J5DOqnMZuxOxiQtzL83wwweN5fAy1MPRb2EvGbQMmDjh0Or94htB4y1MLQAwxOyYVLwpuMwPCWbColGStg-Jy9yPkB9HZcb8vvHqkPx7uTDnqKJIS7e6Hk-UR3sOZjj_hrEY_HLutDgS4p7DDTpgpm6mGjyBukxRbua4mOgPtAc1_LQoM4FU6C7Bx_0S_LM6Tnjq-t_Q-4_3_7afW3uvn_5tvt015iebUvDGBhuJqtByNGBNjBNditx5KLmwMGOWnRaMxzQWVlJMaGFiRnHpZHIb8i7i7du9GfFXNTis8F51gHjmpWUkkEv-FDJ94-STAjBWDcyXtHugpoUc07o1DH5RaeTYqDOHaiDOnegzh0oGFTtoA69vfp1rkd0SQfj8__Jru-lHEBU7s2FczpWS6rM_c8q6qGKhx5YJT5eCKyH--sxqWw8BoPWJzRF2egfW-Qfsl2oyA</addsrcrecordid><sourcetype>Aggregation Database</sourcetype><iscdi>true</iscdi><recordtype>article</recordtype><pqid>1777112613</pqid></control><display><type>article</type><title>Quantifying economically and ecologically optimum nitrogen rates for rice production in south-eastern China</title><source>Elsevier</source><creator>Chen, Jing ; Huang, Yao ; Tang, Yonghua</creator><creatorcontrib>Chen, Jing ; Huang, Yao ; Tang, Yonghua</creatorcontrib><description>► Overuse of fertilizer N has become widespread in China. ► We quantified the optimum N rates for rice production in south-eastern China. ► The estimated optimum N rates ranged from 90 to 285
kg
ha
−1. ► Cutting one-third of the N use would be feasible in Jiangsu Province.
China consumes 32% of the world's total synthetic fertilizer nitrogen (N). Overuse of fertilizer N has become widespread, resulting in severe environmental problems. Based on a set of statistical models, we quantified the optimum N rates for rice production in terms of economic and ecological benefits. Model fitting results suggested that the dependence of rice yield, N uptake and N loss on fertilizer N application rates can be well determined by a quadratic polynomial function, a logistic function and a power function, respectively. Using these functions, the economically optimum and ecologically optimum N rates in south-eastern China were estimated to be 180–285
kg
ha
−1 and 90–150
kg
ha
−1, respectively, depending on rice subspecies, varieties and cropping systems. A case study in Jiangsu Province, where single rice with conventional
japonica varieties is dominated, suggested that current N rates (∼390
kg
ha
−1) could be cut by 26% and 61% when the economically and ecologically optimum N rates, respectively, are adopted, saving 189
×
10
3 and 442
×
10
3 metric tons per year, respectively. Cutting one-third of the N use would not reduce rice yield but is expected to mitigate negative environmental impact in this province.</description><identifier>ISSN: 0167-8809</identifier><identifier>EISSN: 1873-2305</identifier><identifier>DOI: 10.1016/j.agee.2011.05.005</identifier><identifier>CODEN: AEENDO</identifier><language>eng</language><publisher>Oxford: Elsevier B.V</publisher><subject>Agronomy. Soil science and plant productions ; Biological and medical sciences ; case studies ; China ; cropping systems ; cultivars ; Cutting ; Ecologically optimum ; Ecology ; Economically optimum ; Economics ; Environment ; environmental impact ; Fertilizer nitrogen use ; fertilizer rates ; Fertilizing ; Fundamental and applied biological sciences. Psychology ; General agroecology ; General agroecology. Agricultural and farming systems. Agricultural development. Rural area planning. Landscaping ; General agronomy. Plant production ; Generalities. Agricultural and farming systems. Agricultural development ; grain yield ; Mathematical models ; nitrogen ; nitrogen fertilizers ; Nitrogen, phosphorus, potassium fertilizations ; Optimization ; Oryza sativa ; Rice ; Rice production ; Soil-plant relationships. Soil fertility. Fertilization. Amendments ; statistical models</subject><ispartof>Agriculture, ecosystems & environment, 2011-08, Vol.142 (3), p.195-204</ispartof><rights>2011 Elsevier B.V.</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c419t-110c3cbda0786f0ac0bbd98e637c3c030d6a72aa1e5efd8cbd7bed0b1cf38c8e3</citedby><cites>FETCH-LOGICAL-c419t-110c3cbda0786f0ac0bbd98e637c3c030d6a72aa1e5efd8cbd7bed0b1cf38c8e3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>315,786,790,27957,27958</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=24488507$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Chen, Jing</creatorcontrib><creatorcontrib>Huang, Yao</creatorcontrib><creatorcontrib>Tang, Yonghua</creatorcontrib><title>Quantifying economically and ecologically optimum nitrogen rates for rice production in south-eastern China</title><title>Agriculture, ecosystems & environment</title><description>► Overuse of fertilizer N has become widespread in China. ► We quantified the optimum N rates for rice production in south-eastern China. ► The estimated optimum N rates ranged from 90 to 285
kg
ha
−1. ► Cutting one-third of the N use would be feasible in Jiangsu Province.
China consumes 32% of the world's total synthetic fertilizer nitrogen (N). Overuse of fertilizer N has become widespread, resulting in severe environmental problems. Based on a set of statistical models, we quantified the optimum N rates for rice production in terms of economic and ecological benefits. Model fitting results suggested that the dependence of rice yield, N uptake and N loss on fertilizer N application rates can be well determined by a quadratic polynomial function, a logistic function and a power function, respectively. Using these functions, the economically optimum and ecologically optimum N rates in south-eastern China were estimated to be 180–285
kg
ha
−1 and 90–150
kg
ha
−1, respectively, depending on rice subspecies, varieties and cropping systems. A case study in Jiangsu Province, where single rice with conventional
japonica varieties is dominated, suggested that current N rates (∼390
kg
ha
−1) could be cut by 26% and 61% when the economically and ecologically optimum N rates, respectively, are adopted, saving 189
×
10
3 and 442
×
10
3 metric tons per year, respectively. Cutting one-third of the N use would not reduce rice yield but is expected to mitigate negative environmental impact in this province.</description><subject>Agronomy. Soil science and plant productions</subject><subject>Biological and medical sciences</subject><subject>case studies</subject><subject>China</subject><subject>cropping systems</subject><subject>cultivars</subject><subject>Cutting</subject><subject>Ecologically optimum</subject><subject>Ecology</subject><subject>Economically optimum</subject><subject>Economics</subject><subject>Environment</subject><subject>environmental impact</subject><subject>Fertilizer nitrogen use</subject><subject>fertilizer rates</subject><subject>Fertilizing</subject><subject>Fundamental and applied biological sciences. Psychology</subject><subject>General agroecology</subject><subject>General agroecology. Agricultural and farming systems. Agricultural development. Rural area planning. Landscaping</subject><subject>General agronomy. Plant production</subject><subject>Generalities. Agricultural and farming systems. Agricultural development</subject><subject>grain yield</subject><subject>Mathematical models</subject><subject>nitrogen</subject><subject>nitrogen fertilizers</subject><subject>Nitrogen, phosphorus, potassium fertilizations</subject><subject>Optimization</subject><subject>Oryza sativa</subject><subject>Rice</subject><subject>Rice production</subject><subject>Soil-plant relationships. Soil fertility. Fertilization. Amendments</subject><subject>statistical models</subject><issn>0167-8809</issn><issn>1873-2305</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><recordid>eNp9kU2LFDEQhoMoOK7-AS_mInrpttLp7mTAiwzrByyI6J5DOqnMZuxOxiQtzL83wwweN5fAy1MPRb2EvGbQMmDjh0Or94htB4y1MLQAwxOyYVLwpuMwPCWbColGStg-Jy9yPkB9HZcb8vvHqkPx7uTDnqKJIS7e6Hk-UR3sOZjj_hrEY_HLutDgS4p7DDTpgpm6mGjyBukxRbua4mOgPtAc1_LQoM4FU6C7Bx_0S_LM6Tnjq-t_Q-4_3_7afW3uvn_5tvt015iebUvDGBhuJqtByNGBNjBNditx5KLmwMGOWnRaMxzQWVlJMaGFiRnHpZHIb8i7i7du9GfFXNTis8F51gHjmpWUkkEv-FDJ94-STAjBWDcyXtHugpoUc07o1DH5RaeTYqDOHaiDOnegzh0oGFTtoA69vfp1rkd0SQfj8__Jru-lHEBU7s2FczpWS6rM_c8q6qGKhx5YJT5eCKyH--sxqWw8BoPWJzRF2egfW-Qfsl2oyA</recordid><startdate>20110801</startdate><enddate>20110801</enddate><creator>Chen, Jing</creator><creator>Huang, Yao</creator><creator>Tang, Yonghua</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>FBQ</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SU</scope><scope>8FD</scope><scope>C1K</scope><scope>FR3</scope><scope>KR7</scope><scope>7SN</scope><scope>7ST</scope><scope>SOI</scope></search><sort><creationdate>20110801</creationdate><title>Quantifying economically and ecologically optimum nitrogen rates for rice production in south-eastern China</title><author>Chen, Jing ; Huang, Yao ; Tang, Yonghua</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c419t-110c3cbda0786f0ac0bbd98e637c3c030d6a72aa1e5efd8cbd7bed0b1cf38c8e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Agronomy. Soil science and plant productions</topic><topic>Biological and medical sciences</topic><topic>case studies</topic><topic>China</topic><topic>cropping systems</topic><topic>cultivars</topic><topic>Cutting</topic><topic>Ecologically optimum</topic><topic>Ecology</topic><topic>Economically optimum</topic><topic>Economics</topic><topic>Environment</topic><topic>environmental impact</topic><topic>Fertilizer nitrogen use</topic><topic>fertilizer rates</topic><topic>Fertilizing</topic><topic>Fundamental and applied biological sciences. Psychology</topic><topic>General agroecology</topic><topic>General agroecology. Agricultural and farming systems. Agricultural development. Rural area planning. Landscaping</topic><topic>General agronomy. Plant production</topic><topic>Generalities. Agricultural and farming systems. Agricultural development</topic><topic>grain yield</topic><topic>Mathematical models</topic><topic>nitrogen</topic><topic>nitrogen fertilizers</topic><topic>Nitrogen, phosphorus, potassium fertilizations</topic><topic>Optimization</topic><topic>Oryza sativa</topic><topic>Rice</topic><topic>Rice production</topic><topic>Soil-plant relationships. Soil fertility. Fertilization. Amendments</topic><topic>statistical models</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Chen, Jing</creatorcontrib><creatorcontrib>Huang, Yao</creatorcontrib><creatorcontrib>Tang, Yonghua</creatorcontrib><collection>AGRIS</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Environmental Engineering Abstracts</collection><collection>Technology Research Database</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><collection>Ecology Abstracts</collection><collection>Environment Abstracts</collection><collection>Environment Abstracts</collection><jtitle>Agriculture, ecosystems & environment</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Chen, Jing</au><au>Huang, Yao</au><au>Tang, Yonghua</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Quantifying economically and ecologically optimum nitrogen rates for rice production in south-eastern China</atitle><jtitle>Agriculture, ecosystems & environment</jtitle><date>2011-08-01</date><risdate>2011</risdate><volume>142</volume><issue>3</issue><spage>195</spage><epage>204</epage><pages>195-204</pages><issn>0167-8809</issn><eissn>1873-2305</eissn><coden>AEENDO</coden><notes>http://dx.doi.org/10.1016/j.agee.2011.05.005</notes><notes>ObjectType-Article-1</notes><notes>SourceType-Scholarly Journals-1</notes><notes>ObjectType-Feature-2</notes><notes>content type line 23</notes><abstract>► Overuse of fertilizer N has become widespread in China. ► We quantified the optimum N rates for rice production in south-eastern China. ► The estimated optimum N rates ranged from 90 to 285
kg
ha
−1. ► Cutting one-third of the N use would be feasible in Jiangsu Province.
China consumes 32% of the world's total synthetic fertilizer nitrogen (N). Overuse of fertilizer N has become widespread, resulting in severe environmental problems. Based on a set of statistical models, we quantified the optimum N rates for rice production in terms of economic and ecological benefits. Model fitting results suggested that the dependence of rice yield, N uptake and N loss on fertilizer N application rates can be well determined by a quadratic polynomial function, a logistic function and a power function, respectively. Using these functions, the economically optimum and ecologically optimum N rates in south-eastern China were estimated to be 180–285
kg
ha
−1 and 90–150
kg
ha
−1, respectively, depending on rice subspecies, varieties and cropping systems. A case study in Jiangsu Province, where single rice with conventional
japonica varieties is dominated, suggested that current N rates (∼390
kg
ha
−1) could be cut by 26% and 61% when the economically and ecologically optimum N rates, respectively, are adopted, saving 189
×
10
3 and 442
×
10
3 metric tons per year, respectively. Cutting one-third of the N use would not reduce rice yield but is expected to mitigate negative environmental impact in this province.</abstract><cop>Oxford</cop><pub>Elsevier B.V</pub><doi>10.1016/j.agee.2011.05.005</doi><tpages>10</tpages></addata></record> |
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| language | eng |
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| source | Elsevier |
| subjects | Agronomy. Soil science and plant productions Biological and medical sciences case studies China cropping systems cultivars Cutting Ecologically optimum Ecology Economically optimum Economics Environment environmental impact Fertilizer nitrogen use fertilizer rates Fertilizing Fundamental and applied biological sciences. Psychology General agroecology General agroecology. Agricultural and farming systems. Agricultural development. Rural area planning. Landscaping General agronomy. Plant production Generalities. Agricultural and farming systems. Agricultural development grain yield Mathematical models nitrogen nitrogen fertilizers Nitrogen, phosphorus, potassium fertilizations Optimization Oryza sativa Rice Rice production Soil-plant relationships. Soil fertility. Fertilization. Amendments statistical models |
| title | Quantifying economically and ecologically optimum nitrogen rates for rice production in south-eastern China |
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