Teor de nitrato em alface produzida em sistema hidropônico vertical com substrato e NFT

Detalhes bibliográficos
Autor(a) principal: Karoline Paulino Costa
Data de Publicação: 2018
Outros Autores: Júlio César Rodrigues Lopes Silva, Thaíse Ohana Moura Fernandes, Francine Souza Alves da Fonseca, Janini Tatiane Lima Souza Maia, Ernane Ronie Martins
Tipo de documento: Artigo
Idioma: por
Título da fonte: Repositório Institucional da UFMG
Texto Completo: http://hdl.handle.net/1843/44171
Resumo: The content of accumulated nitrate by lettuce is influenced by factors such as cultivation system and genetic character. Thus, the objective of this research was to evaluate the performance and accumulated nitrate content in three lettuce cultivars grown in hydroponic system with the vertical presence of substrate, and the influence of vertical hydroponic systems with substrate (VS) and Nutrient Film Technique (NFT) in the accumulated nitrate content. Therefore, the experiment was carried out in two phases, in which the cultivar tended to accumulate lower nitrate contents, and in the second the influence of the systems on this accumulation was evaluated. The sowing was done in phenolic foam, and then the seedlings were taken to the nursery and later to the systems VS and NFT, where they completed 45 days of cultivation. At the end of the experiment, the fresh matter (FMF) and dry matter (DMF) of the leaves were analyzed, and the nitrate content in the leaves, where it was observed that the cultivar “Crespa Itapuã” presented better performance for the cultivation in VS, and tended to accumulate less nitrate. It was also observed that the nitrate content accumulated in leaves grown in VS was higher than that found in NFT crops. Thus, it was concluded that the cultivar “Crespa Itapuã” presented better performance for VS cultivation, and that plants grown in VS accumulate more nitrate than those grown in NFT system.
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spelling Teor de nitrato em alface produzida em sistema hidropônico vertical com substrato e NFTNitrate content in lettuce produced in a vertical hydroponic system with substrate and NFTPlantas - Meios de cultivoAlfaceHidroponiaNitratosThe content of accumulated nitrate by lettuce is influenced by factors such as cultivation system and genetic character. Thus, the objective of this research was to evaluate the performance and accumulated nitrate content in three lettuce cultivars grown in hydroponic system with the vertical presence of substrate, and the influence of vertical hydroponic systems with substrate (VS) and Nutrient Film Technique (NFT) in the accumulated nitrate content. Therefore, the experiment was carried out in two phases, in which the cultivar tended to accumulate lower nitrate contents, and in the second the influence of the systems on this accumulation was evaluated. The sowing was done in phenolic foam, and then the seedlings were taken to the nursery and later to the systems VS and NFT, where they completed 45 days of cultivation. At the end of the experiment, the fresh matter (FMF) and dry matter (DMF) of the leaves were analyzed, and the nitrate content in the leaves, where it was observed that the cultivar “Crespa Itapuã” presented better performance for the cultivation in VS, and tended to accumulate less nitrate. It was also observed that the nitrate content accumulated in leaves grown in VS was higher than that found in NFT crops. Thus, it was concluded that the cultivar “Crespa Itapuã” presented better performance for VS cultivation, and that plants grown in VS accumulate more nitrate than those grown in NFT system.O teor de nitrato acumulado pela alface é influenciado por fatores como sistema de cultivo e caráter genético. Assim, objetivou-se avaliar o desempenho e o teor de nitrato acumulado em três cultivares de alface produzidas em sistema hidropônico vertical com a presença de substrato, e a influência dos sistemas hidropônico vertical com substrato (VS) e Nutrient Film Technique (NFT) no teor de nitrato acumulado. Para isso o experimento foi realizado em duas fases, onde, na primeira, foi selecionada a cultivar que tendeu a acumular menor teor nitrato, e, na segunda, foi avaliada a influência dos sistemas sobre esse acúmulo. A semeadura foi feita em espuma fenólica, em seguida as plântulas foram levadas ao berçário, e posteriormente aos sistemas VS e NFT onde completaram 45 dias de cultivo. Ao final do experimento foi analisado a matéria fresca (MFF) e seca (MSF) das folhas, e o teor de nitrato nas folhas, situação na qual se observou que a cultivar “Crespa Itapuã” apresentou melhor desempenho para o cultivo em VS e tendeu a acumular menos nitrato. Observou-se também que o teor de nitrato acumulado nas folhas cultivadas em VS foi superior ao encontrado nas cultivas em NFT. Assim, conclui-se que a cultivar “Crespa Itapuã” apresentou melhor desempenho para o cultivo em VS, e que as plantas cultivadas em VS acumulam mais nitrato que as cultivadas em sistema NFT.Universidade Federal de Minas GeraisBrasilICA - INSTITUTO DE CIÊNCIAS AGRÁRIASUFMG2022-08-11T10:31:39Z2022-08-11T10:31:39Z2018-07-04info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleapplication/pdf2447-6218http://hdl.handle.net/1843/44171porCaderno de Ciências AgráriasKaroline Paulino CostaJúlio César Rodrigues Lopes SilvaThaíse Ohana Moura FernandesFrancine Souza Alves da FonsecaJanini Tatiane Lima Souza MaiaErnane Ronie Martinsinfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da UFMGinstname:Universidade Federal de Minas Gerais (UFMG)instacron:UFMG2022-08-11T10:31:39Zoai:repositorio.ufmg.br:1843/44171Repositório InstitucionalPUBhttps://repositorio.ufmg.br/oairepositorio@ufmg.bropendoar:2022-08-11T10:31:39Repositório Institucional da UFMG - Universidade Federal de Minas Gerais (UFMG)false
dc.title.none.fl_str_mv Teor de nitrato em alface produzida em sistema hidropônico vertical com substrato e NFT
Nitrate content in lettuce produced in a vertical hydroponic system with substrate and NFT
title Teor de nitrato em alface produzida em sistema hidropônico vertical com substrato e NFT
spellingShingle Teor de nitrato em alface produzida em sistema hidropônico vertical com substrato e NFT
Karoline Paulino Costa
Plantas - Meios de cultivo
Alface
Hidroponia
Nitratos
title_short Teor de nitrato em alface produzida em sistema hidropônico vertical com substrato e NFT
title_full Teor de nitrato em alface produzida em sistema hidropônico vertical com substrato e NFT
title_fullStr Teor de nitrato em alface produzida em sistema hidropônico vertical com substrato e NFT
title_full_unstemmed Teor de nitrato em alface produzida em sistema hidropônico vertical com substrato e NFT
title_sort Teor de nitrato em alface produzida em sistema hidropônico vertical com substrato e NFT
author Karoline Paulino Costa
author_facet Karoline Paulino Costa
Júlio César Rodrigues Lopes Silva
Thaíse Ohana Moura Fernandes
Francine Souza Alves da Fonseca
Janini Tatiane Lima Souza Maia
Ernane Ronie Martins
author_role author
author2 Júlio César Rodrigues Lopes Silva
Thaíse Ohana Moura Fernandes
Francine Souza Alves da Fonseca
Janini Tatiane Lima Souza Maia
Ernane Ronie Martins
author2_role author
author
author
author
author
dc.contributor.author.fl_str_mv Karoline Paulino Costa
Júlio César Rodrigues Lopes Silva
Thaíse Ohana Moura Fernandes
Francine Souza Alves da Fonseca
Janini Tatiane Lima Souza Maia
Ernane Ronie Martins
dc.subject.por.fl_str_mv Plantas - Meios de cultivo
Alface
Hidroponia
Nitratos
topic Plantas - Meios de cultivo
Alface
Hidroponia
Nitratos
description The content of accumulated nitrate by lettuce is influenced by factors such as cultivation system and genetic character. Thus, the objective of this research was to evaluate the performance and accumulated nitrate content in three lettuce cultivars grown in hydroponic system with the vertical presence of substrate, and the influence of vertical hydroponic systems with substrate (VS) and Nutrient Film Technique (NFT) in the accumulated nitrate content. Therefore, the experiment was carried out in two phases, in which the cultivar tended to accumulate lower nitrate contents, and in the second the influence of the systems on this accumulation was evaluated. The sowing was done in phenolic foam, and then the seedlings were taken to the nursery and later to the systems VS and NFT, where they completed 45 days of cultivation. At the end of the experiment, the fresh matter (FMF) and dry matter (DMF) of the leaves were analyzed, and the nitrate content in the leaves, where it was observed that the cultivar “Crespa Itapuã” presented better performance for the cultivation in VS, and tended to accumulate less nitrate. It was also observed that the nitrate content accumulated in leaves grown in VS was higher than that found in NFT crops. Thus, it was concluded that the cultivar “Crespa Itapuã” presented better performance for VS cultivation, and that plants grown in VS accumulate more nitrate than those grown in NFT system.
publishDate 2018
dc.date.none.fl_str_mv 2018-07-04
2022-08-11T10:31:39Z
2022-08-11T10:31:39Z
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv 2447-6218
http://hdl.handle.net/1843/44171
identifier_str_mv 2447-6218
url http://hdl.handle.net/1843/44171
dc.language.iso.fl_str_mv por
language por
dc.relation.none.fl_str_mv Caderno de Ciências Agrárias
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Universidade Federal de Minas Gerais
Brasil
ICA - INSTITUTO DE CIÊNCIAS AGRÁRIAS
UFMG
publisher.none.fl_str_mv Universidade Federal de Minas Gerais
Brasil
ICA - INSTITUTO DE CIÊNCIAS AGRÁRIAS
UFMG
dc.source.none.fl_str_mv reponame:Repositório Institucional da UFMG
instname:Universidade Federal de Minas Gerais (UFMG)
instacron:UFMG
instname_str Universidade Federal de Minas Gerais (UFMG)
instacron_str UFMG
institution UFMG
reponame_str Repositório Institucional da UFMG
collection Repositório Institucional da UFMG
repository.name.fl_str_mv Repositório Institucional da UFMG - Universidade Federal de Minas Gerais (UFMG)
repository.mail.fl_str_mv repositorio@ufmg.br
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