Cultivo de alface em sistema hidropônico com solução nutritiva enriquecida com silício
Autor(a) principal: | |
---|---|
Data de Publicação: | 2021 |
Tipo de documento: | Dissertação |
Idioma: | por |
Título da fonte: | Biblioteca Digital de Teses e Dissertações da UEPB |
Texto Completo: | http://tede.bc.uepb.edu.br/jspui/handle/tede/3837 |
Resumo: | Hydroponic has been presented as a viable alternative to face the socio environmental problems of the Semiarid region. However, its high nutritional concentrations can damage the plants development. Silicon has been considered promising in increasing nutrient performance. Thus, it is understood that it is possible that its addition to the hydroponic nutrient solution promotes a better nutritional performance in lettuce plants. In this sense, this study aimed to evaluate the effect of silicon in nutrient solutions with low concentration of nitrate and different electrical conductivities, as a way to make the management of nutrients in hydroponic cultivation cheaper and enable a lower accumulation of nitrate in the lettuce crop. Therefore, two experiments were carried out in a completely randomized design, with split plots and under a 3x2 factorial scheme, where in the first one three electrical conductivities were evaluated (1.0 dSm-1; 2.0 dSm-1 and 3.0 dSm-1) and two silicon doses (0 and 0.4 mM), and in the second three potassium nitrate concentrations (0.05 M; 0.04 M and 0.03 M) and two silicon doses (0 and 0.4 mM) in NFT hydroponic culture of crisp lettuce cv. Veneranda. Morphological and biochemical characteristics and organic contents were evaluated, in addition to daily monitoring of pH, temperature and conductivity of the nutrient solution. The results were submitted to analysis of variance by the F test (5% probability), and the Tukey mean comparison test was applied, as well as the Shapiro-Wilk normality test, using the R® and Rstudio® software, Library package Expenses pt. Given the above, it was concluded that silicon enabled a better use of nitrate, but the reduction in its concentration caused a decrease in some analyzed variables. It is also possible to reduce the electrical conductivity of the nutrient solution to 1.0 dSm-1, and the use of silicon in the hydroponic cultivation of lettuce is advisable, however, further studies are needed that can evaluate different sources of silicon, as well as foliar application for the same purpose as the study. |
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Maia, Josemir Moura78686547320http://lattes.cnpq.br/5385801263390593Meneses, Carlos Henrique Salvino Gâdelha03859565419http://lattes.cnpq.br/6007038539113248Delgado, Eduardo Afonso Ortega717. 111. 904 - 11Brito Neto, José Félix de038.163.144-3009640561436http://lattes.cnpq.br/3742941528834329Santos, Ivanice da Silva2021-11-23T13:45:22Z2999-12-312021-08-20SANTOS, Ivanice da Silva. Cultivo de alface em sistema hidropônico com solução nutritiva enriquecida com silício. 2021. 129f. Dissertação (Programa de Pós-Graduação em Ciências Agrárias - PPGCA) - Universidade Estadual da Paraíba, Campina Grande, 2021.http://tede.bc.uepb.edu.br/jspui/handle/tede/3837Hydroponic has been presented as a viable alternative to face the socio environmental problems of the Semiarid region. However, its high nutritional concentrations can damage the plants development. Silicon has been considered promising in increasing nutrient performance. Thus, it is understood that it is possible that its addition to the hydroponic nutrient solution promotes a better nutritional performance in lettuce plants. In this sense, this study aimed to evaluate the effect of silicon in nutrient solutions with low concentration of nitrate and different electrical conductivities, as a way to make the management of nutrients in hydroponic cultivation cheaper and enable a lower accumulation of nitrate in the lettuce crop. Therefore, two experiments were carried out in a completely randomized design, with split plots and under a 3x2 factorial scheme, where in the first one three electrical conductivities were evaluated (1.0 dSm-1; 2.0 dSm-1 and 3.0 dSm-1) and two silicon doses (0 and 0.4 mM), and in the second three potassium nitrate concentrations (0.05 M; 0.04 M and 0.03 M) and two silicon doses (0 and 0.4 mM) in NFT hydroponic culture of crisp lettuce cv. Veneranda. Morphological and biochemical characteristics and organic contents were evaluated, in addition to daily monitoring of pH, temperature and conductivity of the nutrient solution. The results were submitted to analysis of variance by the F test (5% probability), and the Tukey mean comparison test was applied, as well as the Shapiro-Wilk normality test, using the R® and Rstudio® software, Library package Expenses pt. Given the above, it was concluded that silicon enabled a better use of nitrate, but the reduction in its concentration caused a decrease in some analyzed variables. It is also possible to reduce the electrical conductivity of the nutrient solution to 1.0 dSm-1, and the use of silicon in the hydroponic cultivation of lettuce is advisable, however, further studies are needed that can evaluate different sources of silicon, as well as foliar application for the same purpose as the study.A hidroponia vem se apresentando como uma alternativa viável para o enfrentamento às problemáticas socioambientais do Semiárido. No entanto, suas altas concentrações nutricionais podem acarretar prejuízos ao desenvolvimento do vegetal. O silício tem sido considerado promissor no aumento da performance de nutrientes. Dessa forma, entende-se que é possível que sua adição à solução nutritiva hidropônica promova um melhor desempenho nutricional em plantas de alface. Nesse sentido, o presente trabalho teve o objetivo de avaliar o efeito do silício em soluções nutritivas com baixa concentração de nitrato e diferentes condutividades elétricas, como forma de baratear o manejo dos nutrientes em cultivo hidropônico e possibilitar um menor acúmulo de nitrato na cultura da alface. Para tanto, realizou-se dois experimentos em delineamento inteiramente casualizado, com parcelas subdivididas e sob esquema fatorial 3x2, onde no primeiro avaliou-se três condutividades elétricas (1,0 dSm-1; 2,0 dSm-1 e 3,0 dSm-1) e duas doses de silício (0 e 0,4 mM), e no segundo três concentrações de nitrato de potássio (0,05 M; 0,04 M e 0,03 M) e duas doses de silício (0 e 0,4 mM), em cultivo hidropônico NFT de alface crespa cv. Veneranda. Avaliou-se as características morfológicas, bioquímicas e os teores orgânicos, além do acompanhamento diário de pH, temperatura e condutividade da solução nutritiva. Os resultados foram submetidos à análise de variância pelo teste F (5% de probabilidade), e aplicado o teste de comparação de médias Tukey, assim como o teste de normalidade de Shapiro-Wilk, utilizando o software R® e Rstudio®, pacote Library ExpDes. pt. Diante do exposto concluiu-se que o silício possibilitou um melhor aproveitamento do nitrato, mas a redução em sua concentração causou depleção em algumas variáveis analisadas. É possível ainda, reduzir a condutividade elétrica da solução nutritiva para 1,0 dSm-1, e a utilização de silício no cultivo hidropônico da alface é aconselhável, no entanto, se faz necessários mais estudos que possam avaliar diferentes fontes de silício, bem como a aplicação foliar para a mesma finalidade do estudo.Submitted by Concluinte Mestrado (concluinte.mestrado@setor.uepb.edu.br) on 2021-10-01T19:46:32Z No. of bitstreams: 2 Dissertação UEPB.pdf: 4311514 bytes, checksum: 11233710d29732849da2bbdd17ac0af3 (MD5) Termos.pdf: 253195 bytes, checksum: 8f669a755734cc72e5ff96c1b05cc37c (MD5)Approved for entry into archive by Jean Medeiros (jeanletras@uepb.edu.br) on 2021-10-04T12:52:55Z (GMT) No. of bitstreams: 2 Dissertação UEPB.pdf: 4311514 bytes, checksum: 11233710d29732849da2bbdd17ac0af3 (MD5) Termos.pdf: 253195 bytes, checksum: 8f669a755734cc72e5ff96c1b05cc37c (MD5)Made available in DSpace on 2021-11-23T13:45:22Z (GMT). No. of bitstreams: 2 Dissertação UEPB.pdf: 4311514 bytes, checksum: 11233710d29732849da2bbdd17ac0af3 (MD5) Termos.pdf: 253195 bytes, checksum: 8f669a755734cc72e5ff96c1b05cc37c (MD5) Previous issue date: 2021-08-20Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - CAPESapplication/pdfporUniversidade Estadual da ParaíbaPrograma de Pós-Graduação em Ciências Agrárias - PPGCAUEPBBrasilPró-Reitoria de Pós-Graduação e Pesquisa - PRPGPHidroponiaHortaliçasCondutividade elétricaNitratoHydroponicsVegetablesElectric conductivityNitrateCIENCIAS AGRARIAS::AGRONOMIACultivo de alface em sistema hidropônico com solução nutritiva enriquecida com silícioLettuce cultivation in a hydroponic system with nutritive solution enriched with siliconinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/masterThesis-3549167150673249483600600600524871450381110278-3091138714907603907info:eu-repo/semantics/embargoedAccessreponame:Biblioteca Digital de Teses e Dissertações da UEPBinstname:Universidade Estadual da Paraíba (UEPB)instacron:UEPBORIGINALPDF - Ivanice da Silva Santos.pdfPDF - Ivanice da Silva Santos.pdfapplication/pdf4311514http://tede.bc.uepb.edu.br/jspui/bitstream/tede/3837/4/PDF+-+Ivanice+da+Silva+Santos.pdf11233710d29732849da2bbdd17ac0af3MD54PDF - Termos de Depósito da BDTD.pdfPDF - Termos de Depósito da BDTD.pdfapplication/pdf253195http://tede.bc.uepb.edu.br/jspui/bitstream/tede/3837/5/PDF+-+Termos+de+Dep%C3%B3sito+da+BDTD.pdf8f669a755734cc72e5ff96c1b05cc37cMD55LICENSElicense.txtlicense.txttext/plain; charset=utf-81960http://tede.bc.uepb.edu.br/jspui/bitstream/tede/3837/1/license.txt6052ae61e77222b2086e666b7ae213ceMD51tede/38372021-11-23 10:49:30.762oai:tede.bc.uepb.edu.br: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Biblioteca Digital de Teses e Dissertaçõeshttp://tede.bc.uepb.edu.br/jspui/PUBhttp://tede.bc.uepb.edu.br/oai/requestbc@uepb.edu.br||opendoar:2021-11-23T13:49:30Biblioteca Digital de Teses e Dissertações da UEPB - Universidade Estadual da Paraíba (UEPB)false |
dc.title.por.fl_str_mv |
Cultivo de alface em sistema hidropônico com solução nutritiva enriquecida com silício |
dc.title.alternative.eng.fl_str_mv |
Lettuce cultivation in a hydroponic system with nutritive solution enriched with silicon |
title |
Cultivo de alface em sistema hidropônico com solução nutritiva enriquecida com silício |
spellingShingle |
Cultivo de alface em sistema hidropônico com solução nutritiva enriquecida com silício Santos, Ivanice da Silva Hidroponia Hortaliças Condutividade elétrica Nitrato Hydroponics Vegetables Electric conductivity Nitrate CIENCIAS AGRARIAS::AGRONOMIA |
title_short |
Cultivo de alface em sistema hidropônico com solução nutritiva enriquecida com silício |
title_full |
Cultivo de alface em sistema hidropônico com solução nutritiva enriquecida com silício |
title_fullStr |
Cultivo de alface em sistema hidropônico com solução nutritiva enriquecida com silício |
title_full_unstemmed |
Cultivo de alface em sistema hidropônico com solução nutritiva enriquecida com silício |
title_sort |
Cultivo de alface em sistema hidropônico com solução nutritiva enriquecida com silício |
author |
Santos, Ivanice da Silva |
author_facet |
Santos, Ivanice da Silva |
author_role |
author |
dc.contributor.advisor1.fl_str_mv |
Maia, Josemir Moura |
dc.contributor.advisor1ID.fl_str_mv |
78686547320 |
dc.contributor.advisor1Lattes.fl_str_mv |
http://lattes.cnpq.br/5385801263390593 |
dc.contributor.advisor-co1.fl_str_mv |
Meneses, Carlos Henrique Salvino Gâdelha |
dc.contributor.advisor-co1ID.fl_str_mv |
03859565419 |
dc.contributor.advisor-co1Lattes.fl_str_mv |
http://lattes.cnpq.br/6007038539113248 |
dc.contributor.referee1.fl_str_mv |
Delgado, Eduardo Afonso Ortega |
dc.contributor.referee1ID.fl_str_mv |
717. 111. 904 - 11 |
dc.contributor.referee2.fl_str_mv |
Brito Neto, José Félix de |
dc.contributor.referee2ID.fl_str_mv |
038.163.144-30 |
dc.contributor.authorID.fl_str_mv |
09640561436 |
dc.contributor.authorLattes.fl_str_mv |
http://lattes.cnpq.br/3742941528834329 |
dc.contributor.author.fl_str_mv |
Santos, Ivanice da Silva |
contributor_str_mv |
Maia, Josemir Moura Meneses, Carlos Henrique Salvino Gâdelha Delgado, Eduardo Afonso Ortega Brito Neto, José Félix de |
dc.subject.por.fl_str_mv |
Hidroponia Hortaliças Condutividade elétrica Nitrato |
topic |
Hidroponia Hortaliças Condutividade elétrica Nitrato Hydroponics Vegetables Electric conductivity Nitrate CIENCIAS AGRARIAS::AGRONOMIA |
dc.subject.eng.fl_str_mv |
Hydroponics Vegetables Electric conductivity Nitrate |
dc.subject.cnpq.fl_str_mv |
CIENCIAS AGRARIAS::AGRONOMIA |
description |
Hydroponic has been presented as a viable alternative to face the socio environmental problems of the Semiarid region. However, its high nutritional concentrations can damage the plants development. Silicon has been considered promising in increasing nutrient performance. Thus, it is understood that it is possible that its addition to the hydroponic nutrient solution promotes a better nutritional performance in lettuce plants. In this sense, this study aimed to evaluate the effect of silicon in nutrient solutions with low concentration of nitrate and different electrical conductivities, as a way to make the management of nutrients in hydroponic cultivation cheaper and enable a lower accumulation of nitrate in the lettuce crop. Therefore, two experiments were carried out in a completely randomized design, with split plots and under a 3x2 factorial scheme, where in the first one three electrical conductivities were evaluated (1.0 dSm-1; 2.0 dSm-1 and 3.0 dSm-1) and two silicon doses (0 and 0.4 mM), and in the second three potassium nitrate concentrations (0.05 M; 0.04 M and 0.03 M) and two silicon doses (0 and 0.4 mM) in NFT hydroponic culture of crisp lettuce cv. Veneranda. Morphological and biochemical characteristics and organic contents were evaluated, in addition to daily monitoring of pH, temperature and conductivity of the nutrient solution. The results were submitted to analysis of variance by the F test (5% probability), and the Tukey mean comparison test was applied, as well as the Shapiro-Wilk normality test, using the R® and Rstudio® software, Library package Expenses pt. Given the above, it was concluded that silicon enabled a better use of nitrate, but the reduction in its concentration caused a decrease in some analyzed variables. It is also possible to reduce the electrical conductivity of the nutrient solution to 1.0 dSm-1, and the use of silicon in the hydroponic cultivation of lettuce is advisable, however, further studies are needed that can evaluate different sources of silicon, as well as foliar application for the same purpose as the study. |
publishDate |
2021 |
dc.date.accessioned.fl_str_mv |
2021-11-23T13:45:22Z |
dc.date.issued.fl_str_mv |
2021-08-20 |
dc.date.available.fl_str_mv |
2999-12-31 |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/masterThesis |
format |
masterThesis |
status_str |
publishedVersion |
dc.identifier.citation.fl_str_mv |
SANTOS, Ivanice da Silva. Cultivo de alface em sistema hidropônico com solução nutritiva enriquecida com silício. 2021. 129f. Dissertação (Programa de Pós-Graduação em Ciências Agrárias - PPGCA) - Universidade Estadual da Paraíba, Campina Grande, 2021. |
dc.identifier.uri.fl_str_mv |
http://tede.bc.uepb.edu.br/jspui/handle/tede/3837 |
identifier_str_mv |
SANTOS, Ivanice da Silva. Cultivo de alface em sistema hidropônico com solução nutritiva enriquecida com silício. 2021. 129f. Dissertação (Programa de Pós-Graduação em Ciências Agrárias - PPGCA) - Universidade Estadual da Paraíba, Campina Grande, 2021. |
url |
http://tede.bc.uepb.edu.br/jspui/handle/tede/3837 |
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por |
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por |
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600 600 600 |
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Universidade Estadual da Paraíba |
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Programa de Pós-Graduação em Ciências Agrárias - PPGCA |
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UEPB |
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Brasil |
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Pró-Reitoria de Pós-Graduação e Pesquisa - PRPGP |
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Universidade Estadual da Paraíba |
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