Vegetation indexes and delineation of management zones for soybean

Detalhes bibliográficos
Autor(a) principal: Kuiawski, Amanda Carolina Marx Bacellar
Data de Publicação: 2017
Outros Autores: Safanelli, José Lucas, Bottega, Eduardo Leonel, Oliveira Neto, Antonio Mendes de, Guerra, Naiara
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Pesquisa Agropecuária Tropical (Online)
Texto Completo: https://revistas.ufg.br/pat/article/view/43904
Resumo: The delimitation of site-specific management zones may be an operational and economically feasible approach in precision agriculture. This study aimed at investigating the spatial correlations between spectral indexes sampled during different growth stages of soybean and crop yield. Soil attributes stratified in each zone and the influence of altitude were also assessed. The simple ratio index, normalized difference vegetation index and soil-adjusted vegetation index were calculated for soybean at the V6, R5 and R5.5 stages. Spatial dependence analysis via semivariogram was performed for the vegetation indexes, soybean yield and terrain elevation. The crop yield map was taken as a reference to assess the spatial agreement with the different maps generated from the spectral indexes. The average values for chemical and granulometric soil attributes were calculated and analyzed by their means among the zones delineated. The field division into two management zones, due to the combination of altitude, simple ratio index of the V6 stage and soil-adjusted vegetation index of the R5.5 stage, showed the highest agreement with the soybean yield map. Differences between the delineated zones were identified for the phosphorus, clay and silt contents.
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spelling Vegetation indexes and delineation of management zones for soybeanÍndices de vegetação na delimitação de zonas de manejo para a sojaGlycine Max (L) Merr.precision agriculturespectrorradiometry.Glycine Max (L) Merr.agricultura de precisãoespectrorradiometria.The delimitation of site-specific management zones may be an operational and economically feasible approach in precision agriculture. This study aimed at investigating the spatial correlations between spectral indexes sampled during different growth stages of soybean and crop yield. Soil attributes stratified in each zone and the influence of altitude were also assessed. The simple ratio index, normalized difference vegetation index and soil-adjusted vegetation index were calculated for soybean at the V6, R5 and R5.5 stages. Spatial dependence analysis via semivariogram was performed for the vegetation indexes, soybean yield and terrain elevation. The crop yield map was taken as a reference to assess the spatial agreement with the different maps generated from the spectral indexes. The average values for chemical and granulometric soil attributes were calculated and analyzed by their means among the zones delineated. The field division into two management zones, due to the combination of altitude, simple ratio index of the V6 stage and soil-adjusted vegetation index of the R5.5 stage, showed the highest agreement with the soybean yield map. Differences between the delineated zones were identified for the phosphorus, clay and silt contents.A delimitação de zonas para fins de manejo específico pode ser uma abordagem operacional e economicamente viável na agricultura de precisão. Objetivou-se investigar a relação entre índices espectrais amostrados durante diferentes estádios fenológicos da cultura da soja e as zonas de produtividade da lavoura. Atributos do solo estratificados em cada zona e a influência da altitude também foram estudados. Foram calculados os índices de razão simples, de vegetação por diferença normalizada e de vegetação ajustado ao solo, durante os estádios V6, R5 e R5.5 da soja. Procedeu-se à análise de dependência espacial via semivariogramas para os índices de vegetação, produtividade da soja e elevação do terreno. O mapa da produtividade foi tomado como referência para avaliar a concordância espacial com os diferentes mapas gerados a partir dos índices espectrais. Os valores médios de atributos químicos e granulométricos do solo foram calculados e analisados por teste de médias entre as zonas delineadas. A divisão do campo em duas zonas de manejo, em função da combinação da altitude, índice de razão simples do estádio V6 e índice de vegetação ajustado ao solo do estádio R5.5, foi a que apresentou maior concordância com o mapa de produtividade da soja. Foram identificadas diferenças nos teores de fósforo, argila e silte, nas zonas de manejo delineadas.Escola de Agronomia - Universidade Federal de Goiás2017-07-05info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionAvaliado por paresapplication/pdfhttps://revistas.ufg.br/pat/article/view/43904Pesquisa Agropecuária Tropical [Agricultural Research in the Tropics]; v. 47, n. 2, Apr./Jun. 2017; 168-177Pesquisa Agropecuária Tropical (Agricultural Research in the Tropics); v. 47, n. 2, abr./jun. 2017; 168-177Pesquisa Agropecuária Tropical; v. 47, n. 2, abr./jun. 2017; 168-1771983-4063reponame:Pesquisa Agropecuária Tropical (Online)instname:Universidade Federal de Goiás (UFG)instacron:UFGenghttps://revistas.ufg.br/pat/article/view/43904/23347Copyright (c) 2017 Pesquisa Agropecuária Tropical (Agricultural Research in the Tropics)info:eu-repo/semantics/openAccessKuiawski, Amanda Carolina Marx BacellarSafanelli, José LucasBottega, Eduardo LeonelOliveira Neto, Antonio Mendes deGuerra, Naiara2020-07-13T18:35:25Zoai:ojs.revistas.ufg.br:article/43904Revistahttps://revistas.ufg.br/patPUBhttps://revistas.ufg.br/pat/oaiaseleguini.pat@gmail.com||mgoes@agro.ufg.br1983-40631517-6398opendoar:2024-05-21T19:56:15.952769Pesquisa Agropecuária Tropical (Online) - Universidade Federal de Goiás (UFG)true
dc.title.none.fl_str_mv Vegetation indexes and delineation of management zones for soybean
Índices de vegetação na delimitação de zonas de manejo para a soja
title Vegetation indexes and delineation of management zones for soybean
spellingShingle Vegetation indexes and delineation of management zones for soybean
Kuiawski, Amanda Carolina Marx Bacellar
Glycine Max (L) Merr.
precision agriculture
spectrorradiometry.
Glycine Max (L) Merr.
agricultura de precisão
espectrorradiometria.
title_short Vegetation indexes and delineation of management zones for soybean
title_full Vegetation indexes and delineation of management zones for soybean
title_fullStr Vegetation indexes and delineation of management zones for soybean
title_full_unstemmed Vegetation indexes and delineation of management zones for soybean
title_sort Vegetation indexes and delineation of management zones for soybean
author Kuiawski, Amanda Carolina Marx Bacellar
author_facet Kuiawski, Amanda Carolina Marx Bacellar
Safanelli, José Lucas
Bottega, Eduardo Leonel
Oliveira Neto, Antonio Mendes de
Guerra, Naiara
author_role author
author2 Safanelli, José Lucas
Bottega, Eduardo Leonel
Oliveira Neto, Antonio Mendes de
Guerra, Naiara
author2_role author
author
author
author
dc.contributor.author.fl_str_mv Kuiawski, Amanda Carolina Marx Bacellar
Safanelli, José Lucas
Bottega, Eduardo Leonel
Oliveira Neto, Antonio Mendes de
Guerra, Naiara
dc.subject.por.fl_str_mv Glycine Max (L) Merr.
precision agriculture
spectrorradiometry.
Glycine Max (L) Merr.
agricultura de precisão
espectrorradiometria.
topic Glycine Max (L) Merr.
precision agriculture
spectrorradiometry.
Glycine Max (L) Merr.
agricultura de precisão
espectrorradiometria.
description The delimitation of site-specific management zones may be an operational and economically feasible approach in precision agriculture. This study aimed at investigating the spatial correlations between spectral indexes sampled during different growth stages of soybean and crop yield. Soil attributes stratified in each zone and the influence of altitude were also assessed. The simple ratio index, normalized difference vegetation index and soil-adjusted vegetation index were calculated for soybean at the V6, R5 and R5.5 stages. Spatial dependence analysis via semivariogram was performed for the vegetation indexes, soybean yield and terrain elevation. The crop yield map was taken as a reference to assess the spatial agreement with the different maps generated from the spectral indexes. The average values for chemical and granulometric soil attributes were calculated and analyzed by their means among the zones delineated. The field division into two management zones, due to the combination of altitude, simple ratio index of the V6 stage and soil-adjusted vegetation index of the R5.5 stage, showed the highest agreement with the soybean yield map. Differences between the delineated zones were identified for the phosphorus, clay and silt contents.
publishDate 2017
dc.date.none.fl_str_mv 2017-07-05
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Avaliado por pares
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv https://revistas.ufg.br/pat/article/view/43904
url https://revistas.ufg.br/pat/article/view/43904
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv https://revistas.ufg.br/pat/article/view/43904/23347
dc.rights.driver.fl_str_mv Copyright (c) 2017 Pesquisa Agropecuária Tropical (Agricultural Research in the Tropics)
info:eu-repo/semantics/openAccess
rights_invalid_str_mv Copyright (c) 2017 Pesquisa Agropecuária Tropical (Agricultural Research in the Tropics)
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Escola de Agronomia - Universidade Federal de Goiás
publisher.none.fl_str_mv Escola de Agronomia - Universidade Federal de Goiás
dc.source.none.fl_str_mv Pesquisa Agropecuária Tropical [Agricultural Research in the Tropics]; v. 47, n. 2, Apr./Jun. 2017; 168-177
Pesquisa Agropecuária Tropical (Agricultural Research in the Tropics); v. 47, n. 2, abr./jun. 2017; 168-177
Pesquisa Agropecuária Tropical; v. 47, n. 2, abr./jun. 2017; 168-177
1983-4063
reponame:Pesquisa Agropecuária Tropical (Online)
instname:Universidade Federal de Goiás (UFG)
instacron:UFG
instname_str Universidade Federal de Goiás (UFG)
instacron_str UFG
institution UFG
reponame_str Pesquisa Agropecuária Tropical (Online)
collection Pesquisa Agropecuária Tropical (Online)
repository.name.fl_str_mv Pesquisa Agropecuária Tropical (Online) - Universidade Federal de Goiás (UFG)
repository.mail.fl_str_mv aseleguini.pat@gmail.com||mgoes@agro.ufg.br
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