Water use efficiency and economic return of fresh vegetable in organic cultivation.
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| Title: | Water use efficiency and economic return of fresh vegetable in organic cultivation. |
|---|---|
| Alternate Title: | Eficiência de uso da água e rendimento econômico no cultivo orgânico de olerícolas. |
| Authors: | de Carvalho, Daniel F.1 carvalho@ufrrj.br, Pinto, Marinaldo F.1 mfpufrrj@yahoo.com.br, Monte, José A.2 jam1agr@yahoo.com.br, de Mello, Gabriel A. B.3 gabrirjrural@gmail.com, de Sousa, Camila P.1 camilafepi@hotmail.com |
| Source: | Revista Brasileira de Engenharia Agrícola e Ambiental - Agriambi. jul2016, Vol. 20 Issue 7, p637-642. 6p. |
| Subjects: | Water efficiency, Fresh vegetable industry, Organic farming, Water shortages, Irrigation |
| Abstract (English): | The optimization in the use of irrigation is a necessity due to water scarcity and the increasing demand for food. The objective of this study was to evaluate the effect of different irrigation depths on the economic efficiency of lettuce, eggplant, beet and carrot, cultivated in an organic production system. The evaluations were performed based on production functions obtained in field experiments conducted from 2006 to 2011, and survey of prices of products and inputs, determining the irrigation depths corresponding to the maximum gross profit and the maximum water use efficiency. Additionally, the relative yield reduction was evaluated for different percent increments in the economically optimal irrigation depth. It was observed that the crops have differences between the irrigation depths of maximum economic efficiency and maximum water use efficiency, ranging from 22.2 mm (lettuce) to 149.7 mm (eggplant). The application of water above the irrigation depth of maximum economic efficiency led to yield and profit reductions, whose magnitude depends on the response of the crop. [ABSTRACT FROM AUTHOR] |
| Abstract (Portuguese): | A otimização do uso da irrigação é uma necessidade em virtude da escassez de água e do aumento da demanda por alimentos. Objetivou-se, neste trabalho, avaliar o efeito de diferentes lâminas de irrigação sobre a eficiência econômica dos cultivos da alface, berinjela, beterraba e cenoura conduzidas em sistema orgânico de produção. As avaliações foram realizadas com base em funções de produção obtidas em experimentos de campo conduzidos de 2006 a 2011 e no levantamento de preços dos produtos e de insumos determinando-se as lâminas correspondentes ao máximo lucro bruto e à máxima eficiência no uso da água. Adicionalmente, avaliou-se a redução relativa da produtividade para diferentes incrementos percentuais na lâmina economicamente ótima. Observou-se que as culturas apresentam diferenças entre as lâminas de máxima eficiência econômica e do uso da água variando de 22,2 mm (alface) a 149,7 mm (berinjela). A aplicação de água em quantidade superior à lâmina de máxima eficiência econômica proporcionou redução da produtividade e do lucro cuja magnitude depende da resposta da cultura. [ABSTRACT FROM AUTHOR] |
| Copyright of Revista Brasileira de Engenharia Agrícola e Ambiental - Agriambi is the property of Revista Brasileira de Engenharia Agricola e Ambiental and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | Engineering Source |
| FullText | Links: – Type: pdflink Text: Availability: 0 |
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| Header | DbId: egs DbLabel: Engineering Source An: 116613663 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
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| Items | – Name: Title Label: Title Group: Ti Data: Water use efficiency and economic return of fresh vegetable in organic cultivation. – Name: TitleAlt Label: Alternate Title Group: TiAlt Data: Eficiência de uso da água e rendimento econômico no cultivo orgânico de olerícolas. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22de+Carvalho%2C+Daniel+F%2E%22">de Carvalho, Daniel F.</searchLink><relatesTo>1</relatesTo><i> carvalho@ufrrj.br</i><br /><searchLink fieldCode="AR" term="%22Pinto%2C+Marinaldo+F%2E%22">Pinto, Marinaldo F.</searchLink><relatesTo>1</relatesTo><i> mfpufrrj@yahoo.com.br</i><br /><searchLink fieldCode="AR" term="%22Monte%2C+José+A%2E%22">Monte, José A.</searchLink><relatesTo>2</relatesTo><i> jam1agr@yahoo.com.br</i><br /><searchLink fieldCode="AR" term="%22de+Mello%2C+Gabriel+A%2E+B%2E%22">de Mello, Gabriel A. B.</searchLink><relatesTo>3</relatesTo><i> gabrirjrural@gmail.com</i><br /><searchLink fieldCode="AR" term="%22de+Sousa%2C+Camila+P%2E%22">de Sousa, Camila P.</searchLink><relatesTo>1</relatesTo><i> camilafepi@hotmail.com</i> – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Revista+Brasileira+de+Engenharia+Agrícola+e+Ambiental+-+Agriambi%22">Revista Brasileira de Engenharia Agrícola e Ambiental - Agriambi</searchLink>. jul2016, Vol. 20 Issue 7, p637-642. 6p. – Name: Subject Label: Subjects Group: Su Data: <searchLink fieldCode="DE" term="%22Water+efficiency%22">Water efficiency</searchLink><br /><searchLink fieldCode="DE" term="%22Fresh+vegetable+industry%22">Fresh vegetable industry</searchLink><br /><searchLink fieldCode="DE" term="%22Organic+farming%22">Organic farming</searchLink><br /><searchLink fieldCode="DE" term="%22Water+shortages%22">Water shortages</searchLink><br /><searchLink fieldCode="DE" term="%22Irrigation%22">Irrigation</searchLink> – Name: Abstract Label: Abstract (English) Group: Ab Data: The optimization in the use of irrigation is a necessity due to water scarcity and the increasing demand for food. The objective of this study was to evaluate the effect of different irrigation depths on the economic efficiency of lettuce, eggplant, beet and carrot, cultivated in an organic production system. The evaluations were performed based on production functions obtained in field experiments conducted from 2006 to 2011, and survey of prices of products and inputs, determining the irrigation depths corresponding to the maximum gross profit and the maximum water use efficiency. Additionally, the relative yield reduction was evaluated for different percent increments in the economically optimal irrigation depth. It was observed that the crops have differences between the irrigation depths of maximum economic efficiency and maximum water use efficiency, ranging from 22.2 mm (lettuce) to 149.7 mm (eggplant). The application of water above the irrigation depth of maximum economic efficiency led to yield and profit reductions, whose magnitude depends on the response of the crop. [ABSTRACT FROM AUTHOR] – Name: Abstract Label: Abstract (Portuguese) Group: Ab Data: A otimização do uso da irrigação é uma necessidade em virtude da escassez de água e do aumento da demanda por alimentos. Objetivou-se, neste trabalho, avaliar o efeito de diferentes lâminas de irrigação sobre a eficiência econômica dos cultivos da alface, berinjela, beterraba e cenoura conduzidas em sistema orgânico de produção. As avaliações foram realizadas com base em funções de produção obtidas em experimentos de campo conduzidos de 2006 a 2011 e no levantamento de preços dos produtos e de insumos determinando-se as lâminas correspondentes ao máximo lucro bruto e à máxima eficiência no uso da água. Adicionalmente, avaliou-se a redução relativa da produtividade para diferentes incrementos percentuais na lâmina economicamente ótima. Observou-se que as culturas apresentam diferenças entre as lâminas de máxima eficiência econômica e do uso da água variando de 22,2 mm (alface) a 149,7 mm (berinjela). A aplicação de água em quantidade superior à lâmina de máxima eficiência econômica proporcionou redução da produtividade e do lucro cuja magnitude depende da resposta da cultura. [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of Revista Brasileira de Engenharia Agrícola e Ambiental - Agriambi is the property of Revista Brasileira de Engenharia Agricola e Ambiental and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.1590/1807-1929/agriambi.v20n7p637-642 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 6 StartPage: 637 Subjects: – SubjectFull: Water efficiency Type: general – SubjectFull: Fresh vegetable industry Type: general – SubjectFull: Organic farming Type: general – SubjectFull: Water shortages Type: general – SubjectFull: Irrigation Type: general Titles: – TitleFull: Water use efficiency and economic return of fresh vegetable in organic cultivation. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: de Carvalho, Daniel F. – PersonEntity: Name: NameFull: Pinto, Marinaldo F. – PersonEntity: Name: NameFull: Monte, José A. – PersonEntity: Name: NameFull: de Mello, Gabriel A. B. – PersonEntity: Name: NameFull: de Sousa, Camila P. IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 07 Text: jul2016 Type: published Y: 2016 Identifiers: – Type: issn-print Value: 18071929 Numbering: – Type: volume Value: 20 – Type: issue Value: 7 Titles: – TitleFull: Revista Brasileira de Engenharia Agrícola e Ambiental - Agriambi Type: main |
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