Yield, water use efficiency, and yield response factor in carrot crop under different irrigation depths
Autor(a) principal: | |
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Data de Publicação: | 2016 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Ciência Rural |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782016000701145 |
Resumo: | ABSTRACT: The aim of the present study was to evaluate the effect of different irrigation depths on the yield, water use efficiency (WUE), and yield response factor (Ky) of carrot (cv. 'Brasília') in the edaphoclimatic conditions of Baixada Fluminense, RJ, Brazil. Field trials were conducted in a Red-Yellow Argisol in the 2010-2011period. A randomized block design was used, with 5 treatments (depths) and 4 replicates. Depths were applied by drippers with different flow rates, and the irrigation was managed by time domain reflectometry (TDR) technique. The reference (ETo) and crop (ETc) evapotranspiration depths reached 286.3 and 264.1mm in 2010, and 336.0 and 329.9mm in 2011, respectively. The root yield varied from 30.4 to 68.9t ha-1 as a response to treatments without irrigation and 100% replacement of the soil water depth, respectively. Values for WUE in the carrot crop varied from 15 to 31kg m-3 and the mean Ky value was 0.82. The mean values for Kc were obtained in the initial (0.76), intermediate (1.02), and final (0.96) stages. Carrot crop was influenced by different water depths (treatments) applied, and the highest value for WUE was obtained for 63.4% of soil water replacement. |
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Yield, water use efficiency, and yield response factor in carrot crop under different irrigation depthsDaucus carotacrop water requirementsoil water balanceTDRorganic productionABSTRACT: The aim of the present study was to evaluate the effect of different irrigation depths on the yield, water use efficiency (WUE), and yield response factor (Ky) of carrot (cv. 'Brasília') in the edaphoclimatic conditions of Baixada Fluminense, RJ, Brazil. Field trials were conducted in a Red-Yellow Argisol in the 2010-2011period. A randomized block design was used, with 5 treatments (depths) and 4 replicates. Depths were applied by drippers with different flow rates, and the irrigation was managed by time domain reflectometry (TDR) technique. The reference (ETo) and crop (ETc) evapotranspiration depths reached 286.3 and 264.1mm in 2010, and 336.0 and 329.9mm in 2011, respectively. The root yield varied from 30.4 to 68.9t ha-1 as a response to treatments without irrigation and 100% replacement of the soil water depth, respectively. Values for WUE in the carrot crop varied from 15 to 31kg m-3 and the mean Ky value was 0.82. The mean values for Kc were obtained in the initial (0.76), intermediate (1.02), and final (0.96) stages. Carrot crop was influenced by different water depths (treatments) applied, and the highest value for WUE was obtained for 63.4% of soil water replacement.Universidade Federal de Santa Maria2016-07-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782016000701145Ciência Rural v.46 n.7 2016reponame:Ciência Ruralinstname:Universidade Federal de Santa Maria (UFSM)instacron:UFSM10.1590/0103-8478cr20150363info:eu-repo/semantics/openAccessCarvalho,Daniel Fonseca deOliveira Neto,Dionizio Honório deFelix,Luiz FernandoGuerra,José Guilherme MarinhoSalvador,Conan Ayadeeng2016-05-03T00:00:00ZRevista |
dc.title.none.fl_str_mv |
Yield, water use efficiency, and yield response factor in carrot crop under different irrigation depths |
title |
Yield, water use efficiency, and yield response factor in carrot crop under different irrigation depths |
spellingShingle |
Yield, water use efficiency, and yield response factor in carrot crop under different irrigation depths Carvalho,Daniel Fonseca de Daucus carota crop water requirement soil water balance TDR organic production |
title_short |
Yield, water use efficiency, and yield response factor in carrot crop under different irrigation depths |
title_full |
Yield, water use efficiency, and yield response factor in carrot crop under different irrigation depths |
title_fullStr |
Yield, water use efficiency, and yield response factor in carrot crop under different irrigation depths |
title_full_unstemmed |
Yield, water use efficiency, and yield response factor in carrot crop under different irrigation depths |
title_sort |
Yield, water use efficiency, and yield response factor in carrot crop under different irrigation depths |
author |
Carvalho,Daniel Fonseca de |
author_facet |
Carvalho,Daniel Fonseca de Oliveira Neto,Dionizio Honório de Felix,Luiz Fernando Guerra,José Guilherme Marinho Salvador,Conan Ayade |
author_role |
author |
author2 |
Oliveira Neto,Dionizio Honório de Felix,Luiz Fernando Guerra,José Guilherme Marinho Salvador,Conan Ayade |
author2_role |
author author author author |
dc.contributor.author.fl_str_mv |
Carvalho,Daniel Fonseca de Oliveira Neto,Dionizio Honório de Felix,Luiz Fernando Guerra,José Guilherme Marinho Salvador,Conan Ayade |
dc.subject.por.fl_str_mv |
Daucus carota crop water requirement soil water balance TDR organic production |
topic |
Daucus carota crop water requirement soil water balance TDR organic production |
description |
ABSTRACT: The aim of the present study was to evaluate the effect of different irrigation depths on the yield, water use efficiency (WUE), and yield response factor (Ky) of carrot (cv. 'Brasília') in the edaphoclimatic conditions of Baixada Fluminense, RJ, Brazil. Field trials were conducted in a Red-Yellow Argisol in the 2010-2011period. A randomized block design was used, with 5 treatments (depths) and 4 replicates. Depths were applied by drippers with different flow rates, and the irrigation was managed by time domain reflectometry (TDR) technique. The reference (ETo) and crop (ETc) evapotranspiration depths reached 286.3 and 264.1mm in 2010, and 336.0 and 329.9mm in 2011, respectively. The root yield varied from 30.4 to 68.9t ha-1 as a response to treatments without irrigation and 100% replacement of the soil water depth, respectively. Values for WUE in the carrot crop varied from 15 to 31kg m-3 and the mean Ky value was 0.82. The mean values for Kc were obtained in the initial (0.76), intermediate (1.02), and final (0.96) stages. Carrot crop was influenced by different water depths (treatments) applied, and the highest value for WUE was obtained for 63.4% of soil water replacement. |
publishDate |
2016 |
dc.date.none.fl_str_mv |
2016-07-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782016000701145 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782016000701145 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.1590/0103-8478cr20150363 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
text/html |
dc.publisher.none.fl_str_mv |
Universidade Federal de Santa Maria |
publisher.none.fl_str_mv |
Universidade Federal de Santa Maria |
dc.source.none.fl_str_mv |
Ciência Rural v.46 n.7 2016 reponame:Ciência Rural instname:Universidade Federal de Santa Maria (UFSM) instacron:UFSM |
instname_str |
Universidade Federal de Santa Maria (UFSM) |
instacron_str |
UFSM |
institution |
UFSM |
reponame_str |
Ciência Rural |
collection |
Ciência Rural |
repository.name.fl_str_mv |
|
repository.mail.fl_str_mv |
|
_version_ |
1749140550420791296 |