Determining the minimum size of experimental plot for evaluating field parameters for Arabica coffee
Autor(a) principal: | |
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Data de Publicação: | 2022 |
Outros Autores: | , , , , , , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Research, Society and Development |
Texto Completo: | https://rsdjournal.org/index.php/rsd/article/view/29384 |
Resumo: | The coffee production chain has great socio-economic importance in Brazil, generating foreign exchange with great job-generating capacity. The Brazilian coffee production is circa 2.863 k tons and coffee research has contributed to the development of new technologies in order to increase yield. However, the size of plots used for coffee experiments has been variable and mostly based on the empirical researcher's experience. Therefore, this research was carried out aiming to determine the optimal size of experimental plots to evaluate field growing parameters of Arabica coffee. The modified maximum curvature model and the comparison of variances were the methods used. It is concluded that 2, 3, 3, and 6 plants per useful experimental plot of Arabica coffee are enough to evaluate the field growing parameters plant height, plant canopy diameter, vigor, and wet mass, respectively by the method of modified maximum curvature. Two plants per experimental plot were required when using the variance comparison method to the parameters plant height, and plant canopy diameter, and 4 plants were enough to the parameters vigor and wet mass. In general, four useful plants per experimental plot were enough using the variance comparison method and six useful plants when using the modified maximum curvature method. |
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Determining the minimum size of experimental plot for evaluating field parameters for Arabica coffeeDeterminación del tamaño mínimo de la parcela experimental para la evaluación de parámetros de campo para café arábigoDeterminação do tamanho mínimo da parcela experimental para avaliação de parâmetros de campo para café arábicaBootstrapPlanejamento experimentalPrecisão experimentalSimulação.BootstrapPlanificación experimentalPrecisión experimentalSimulación.BootstrapExperimental accuracyExperimental planningSimulation.The coffee production chain has great socio-economic importance in Brazil, generating foreign exchange with great job-generating capacity. The Brazilian coffee production is circa 2.863 k tons and coffee research has contributed to the development of new technologies in order to increase yield. However, the size of plots used for coffee experiments has been variable and mostly based on the empirical researcher's experience. Therefore, this research was carried out aiming to determine the optimal size of experimental plots to evaluate field growing parameters of Arabica coffee. The modified maximum curvature model and the comparison of variances were the methods used. It is concluded that 2, 3, 3, and 6 plants per useful experimental plot of Arabica coffee are enough to evaluate the field growing parameters plant height, plant canopy diameter, vigor, and wet mass, respectively by the method of modified maximum curvature. Two plants per experimental plot were required when using the variance comparison method to the parameters plant height, and plant canopy diameter, and 4 plants were enough to the parameters vigor and wet mass. In general, four useful plants per experimental plot were enough using the variance comparison method and six useful plants when using the modified maximum curvature method.La cadena productiva del café tiene gran importancia socioeconómica en Brasil, generadora de divisas con gran capacidad para generar empleos. La producción brasileña de café es de alrededor de 2.863 mil toneladas y la investigación del café ha contribuido al desarrollo de nuevas tecnologías para aumentar la productividad. Sin embargo, el tamaño de las parcelas utilizadas para los experimentos con café ha sido variable y se ha basado principalmente en la experiencia del investigador empírico. Por lo tanto, esta investigación se realizó con el objetivo de determinar el tamaño ideal de parcelas experimentales para evaluar parámetros de cultivo de café arábigo en condiciones de campo. El modelo modificado de máxima curvatura y la comparación de varianzas fueron los métodos utilizados. Se concluye que 2, 3, 3 y 6 plantas por parcela experimental útil de café Arábica son suficientes para evaluar los parámetros de cultivo en campo altura de planta, diámetro de copa de planta, vigor y masa húmeda, respectivamente por el método de curvatura máxima modificada. Se necesitaron de 2 plantas por parcela experimental cuando se utilizó el método de comparación de varianza para los parámetros altura de planta y diámetro de copa de planta, y 4 plantas fueron suficientes para los parámetros vigor y masa húmeda. En general, 4 plantas útiles por parcela experimental fueron suficientes por el método de comparación de varianza y 6 plantas útiles por el método de curvatura máxima modificada.A cadeia produtiva do café tem grande importância socioeconômica no Brasil, gerando divisas com grande capacidade de geração de empregos. A produção brasileira de café é de cerca de 2.863 mil toneladas e a pesquisa cafeeira tem contribuído para o desenvolvimento de novas tecnologias a fim de aumentar a produtividade. No entanto, o tamanho das parcelas usadas para experimentos com café tem sido variável e baseado principalmente na experiência do pesquisador empírico. Portanto, esta pesquisa foi realizada com o objetivo de determinar o tamanho ideal de parcelas experimentais para avaliar parâmetros de cultivo de café arábica em condições de campo. O modelo de curvatura máxima modificado e a comparação de variâncias foram os métodos utilizados. Conclui-se que 2, 3, 3 e 6 plantas por parcela experimental útil de café arábica são suficientes para avaliar os parâmetros de cultivo em campo altura da planta, diâmetro da copa da planta, vigor e massa úmida, respectivamente pelo método da máxima curvatura modificada. Foram necessárias duas plantas por parcela experimental quando se utilizou o método de comparação de variância para os parâmetros altura de planta e diâmetro da copa da planta, e 4 plantas foram suficientes para os parâmetros vigor e massa úmida. Em geral, quatro plantas úteis por parcela experimental foram suficientes pelo método de comparação de variância e seis plantas úteis pelo método da máxima curvatura modificada.Research, Society and Development2022-05-02info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://rsdjournal.org/index.php/rsd/article/view/2938410.33448/rsd-v11i6.29384Research, Society and Development; Vol. 11 No. 6; e42811629384Research, Society and Development; Vol. 11 Núm. 6; e42811629384Research, Society and Development; v. 11 n. 6; e428116293842525-3409reponame:Research, Society and Developmentinstname:Universidade Federal de Itajubá (UNIFEI)instacron:UNIFEIenghttps://rsdjournal.org/index.php/rsd/article/view/29384/25366Copyright (c) 2022 Cecília Uliana Zandonadi; David Brunelli Viçosi; Maurício Lorenção Fornazier; Luciana Aparecida Botacim; Douglas Gonzaga de Sousa; Marx Bussular Martinuzzo; Fabiano Tristão Alixandre; Luiz Fernando Favarato; Cesar Abel Krohling; Rogério Carvalho Guarçoni; Ricardo Dias Alixandre; Maurício José Fornazierhttps://creativecommons.org/licenses/by/4.0info:eu-repo/semantics/openAccessZandonadi, Cecília Uliana Viçosi, David Brunelli Fornazier, Maurício LorençãoBotacim, Luciana AparecidaSousa, Douglas Gonzaga deMartinuzzo, Marx BussularAlixandre, Fabiano TristãoFavarato, Luiz FernandoKrohling, Cesar AbelGuarçoni, Rogério CarvalhoAlixandre, Ricardo DiasFornazier, Maurício José2022-05-13T18:04:10Zoai:ojs.pkp.sfu.ca:article/29384Revistahttps://rsdjournal.org/index.php/rsd/indexPUBhttps://rsdjournal.org/index.php/rsd/oairsd.articles@gmail.com2525-34092525-3409opendoar:2024-01-17T09:46:29.017674Research, Society and Development - Universidade Federal de Itajubá (UNIFEI)false |
dc.title.none.fl_str_mv |
Determining the minimum size of experimental plot for evaluating field parameters for Arabica coffee Determinación del tamaño mínimo de la parcela experimental para la evaluación de parámetros de campo para café arábigo Determinação do tamanho mínimo da parcela experimental para avaliação de parâmetros de campo para café arábica |
title |
Determining the minimum size of experimental plot for evaluating field parameters for Arabica coffee |
spellingShingle |
Determining the minimum size of experimental plot for evaluating field parameters for Arabica coffee Zandonadi, Cecília Uliana Bootstrap Planejamento experimental Precisão experimental Simulação. Bootstrap Planificación experimental Precisión experimental Simulación. Bootstrap Experimental accuracy Experimental planning Simulation. |
title_short |
Determining the minimum size of experimental plot for evaluating field parameters for Arabica coffee |
title_full |
Determining the minimum size of experimental plot for evaluating field parameters for Arabica coffee |
title_fullStr |
Determining the minimum size of experimental plot for evaluating field parameters for Arabica coffee |
title_full_unstemmed |
Determining the minimum size of experimental plot for evaluating field parameters for Arabica coffee |
title_sort |
Determining the minimum size of experimental plot for evaluating field parameters for Arabica coffee |
author |
Zandonadi, Cecília Uliana |
author_facet |
Zandonadi, Cecília Uliana Viçosi, David Brunelli Fornazier, Maurício Lorenção Botacim, Luciana Aparecida Sousa, Douglas Gonzaga de Martinuzzo, Marx Bussular Alixandre, Fabiano Tristão Favarato, Luiz Fernando Krohling, Cesar Abel Guarçoni, Rogério Carvalho Alixandre, Ricardo Dias Fornazier, Maurício José |
author_role |
author |
author2 |
Viçosi, David Brunelli Fornazier, Maurício Lorenção Botacim, Luciana Aparecida Sousa, Douglas Gonzaga de Martinuzzo, Marx Bussular Alixandre, Fabiano Tristão Favarato, Luiz Fernando Krohling, Cesar Abel Guarçoni, Rogério Carvalho Alixandre, Ricardo Dias Fornazier, Maurício José |
author2_role |
author author author author author author author author author author author |
dc.contributor.author.fl_str_mv |
Zandonadi, Cecília Uliana Viçosi, David Brunelli Fornazier, Maurício Lorenção Botacim, Luciana Aparecida Sousa, Douglas Gonzaga de Martinuzzo, Marx Bussular Alixandre, Fabiano Tristão Favarato, Luiz Fernando Krohling, Cesar Abel Guarçoni, Rogério Carvalho Alixandre, Ricardo Dias Fornazier, Maurício José |
dc.subject.por.fl_str_mv |
Bootstrap Planejamento experimental Precisão experimental Simulação. Bootstrap Planificación experimental Precisión experimental Simulación. Bootstrap Experimental accuracy Experimental planning Simulation. |
topic |
Bootstrap Planejamento experimental Precisão experimental Simulação. Bootstrap Planificación experimental Precisión experimental Simulación. Bootstrap Experimental accuracy Experimental planning Simulation. |
description |
The coffee production chain has great socio-economic importance in Brazil, generating foreign exchange with great job-generating capacity. The Brazilian coffee production is circa 2.863 k tons and coffee research has contributed to the development of new technologies in order to increase yield. However, the size of plots used for coffee experiments has been variable and mostly based on the empirical researcher's experience. Therefore, this research was carried out aiming to determine the optimal size of experimental plots to evaluate field growing parameters of Arabica coffee. The modified maximum curvature model and the comparison of variances were the methods used. It is concluded that 2, 3, 3, and 6 plants per useful experimental plot of Arabica coffee are enough to evaluate the field growing parameters plant height, plant canopy diameter, vigor, and wet mass, respectively by the method of modified maximum curvature. Two plants per experimental plot were required when using the variance comparison method to the parameters plant height, and plant canopy diameter, and 4 plants were enough to the parameters vigor and wet mass. In general, four useful plants per experimental plot were enough using the variance comparison method and six useful plants when using the modified maximum curvature method. |
publishDate |
2022 |
dc.date.none.fl_str_mv |
2022-05-02 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://rsdjournal.org/index.php/rsd/article/view/29384 10.33448/rsd-v11i6.29384 |
url |
https://rsdjournal.org/index.php/rsd/article/view/29384 |
identifier_str_mv |
10.33448/rsd-v11i6.29384 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
https://rsdjournal.org/index.php/rsd/article/view/29384/25366 |
dc.rights.driver.fl_str_mv |
https://creativecommons.org/licenses/by/4.0 info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
https://creativecommons.org/licenses/by/4.0 |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Research, Society and Development |
publisher.none.fl_str_mv |
Research, Society and Development |
dc.source.none.fl_str_mv |
Research, Society and Development; Vol. 11 No. 6; e42811629384 Research, Society and Development; Vol. 11 Núm. 6; e42811629384 Research, Society and Development; v. 11 n. 6; e42811629384 2525-3409 reponame:Research, Society and Development instname:Universidade Federal de Itajubá (UNIFEI) instacron:UNIFEI |
instname_str |
Universidade Federal de Itajubá (UNIFEI) |
instacron_str |
UNIFEI |
institution |
UNIFEI |
reponame_str |
Research, Society and Development |
collection |
Research, Society and Development |
repository.name.fl_str_mv |
Research, Society and Development - Universidade Federal de Itajubá (UNIFEI) |
repository.mail.fl_str_mv |
rsd.articles@gmail.com |
_version_ |
1797052794878820352 |