Sugarcane response to nitrogen rates, measured by a canopy reflectance sensor

Detalhes bibliográficos
Autor(a) principal: Rosa, Hugo José Andrade
Data de Publicação: 2015
Outros Autores: Amaral, Lucas Rios do, Molin, José Paulo, Cantarella, Heitor
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Pesquisa Agropecuária Brasileira (Online)
Texto Completo: https://seer.sct.embrapa.br/index.php/pab/article/view/21093
Resumo: The objective of this work was to evaluate whether a canopy sensor is capable of estimating sugarcane response to N, as well as to propose strategies for handling the data generated by this device during the decision‑making process for crop N fertilization. Four N rate‑response experiments were carried out, with N rates varying from 0 to 240 kg ha-1. Two evaluations with the canopy sensor were performed when the plants reached average stalk height of 0.3 and 0.5 m. Only two experiments showed stalk yield response to N rates. The canopy sensor was able to identify the crop response to different N rates and the relationship of the nutrient with sugarcane yield. The response index values obtained from the canopy sensor readings were useful in assessing sugarcane response to the applied N rate. Canopy reflectance sensors can help to identify areas responsive to N fertilization and, therefore, improve sugarcane fertilizer management.
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spelling Sugarcane response to nitrogen rates, measured by a canopy reflectance sensorResposta da cana‑de‑açúcar a doses de nitrogênio estimada por sensor de refletância do dosselNDVI; nitrogen fertilization; optical sensor; precision agriculture; proximal sensingNDVI; adubação nitrogenada; sensor óptico; agricultura de precisão; sensoriamento proximalThe objective of this work was to evaluate whether a canopy sensor is capable of estimating sugarcane response to N, as well as to propose strategies for handling the data generated by this device during the decision‑making process for crop N fertilization. Four N rate‑response experiments were carried out, with N rates varying from 0 to 240 kg ha-1. Two evaluations with the canopy sensor were performed when the plants reached average stalk height of 0.3 and 0.5 m. Only two experiments showed stalk yield response to N rates. The canopy sensor was able to identify the crop response to different N rates and the relationship of the nutrient with sugarcane yield. The response index values obtained from the canopy sensor readings were useful in assessing sugarcane response to the applied N rate. Canopy reflectance sensors can help to identify areas responsive to N fertilization and, therefore, improve sugarcane fertilizer management.O objetivo deste trabalho foi avaliar se um sensor de dossel é capaz de estimar a resposta da cana‑de‑açúcar ao N, bem como propor estratégias para tratar os dados gerados pelo equipamento durante o processo de tomada de decisão para a adubação nitrogenada da cultura. Foram conduzidos quatro experimentos de dose‑resposta ao N, com doses de N que variaram de 0 a 240 kg ha-1. Duas avaliações foram realizadas com o sensor de dossel quando as plantas alcançaram altura média de colmos de 0,3 e 0,5 m. Apenas dois experimentos mostraram resposta ao N aplicado em termos de produtividade de colmos. O sensor foi capaz de identificar a resposta da cultura a diferentes doses de N e a relação do nutriente com a produtividade da cana. Os índices de resposta obtidos pelas leituras do sensor foram úteis em avaliar a resposta da cana‑de‑açúcar ao N aplicado. Sensores de dossel podem auxiliar na identificação de áreas responsivas à aplicação de N e, consequentemente, melhorar o manejo da fertilização nitrogenada da cana‑de‑açúcar.Pesquisa Agropecuaria BrasileiraPesquisa Agropecuária BrasileiraFundação de Amparo à Pesquisa do Estado de São Paulo (Fapesp, project number 2008/56.147‑1)Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq, project number 311.197/2013‑2)Fundação de Amparo à Pesquisa do Estado de São Paulo (Fapesp, project number 2008/56.147‑1)Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq, project number 311.197/2013‑2)Rosa, Hugo José AndradeAmaral, Lucas Rios doMolin, José PauloCantarella, Heitor2015-10-09info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://seer.sct.embrapa.br/index.php/pab/article/view/21093Pesquisa Agropecuaria Brasileira; v.50, n.9, set. 2015; 840-848Pesquisa Agropecuária Brasileira; v.50, n.9, set. 2015; 840-8481678-39210100-104xreponame:Pesquisa Agropecuária Brasileira (Online)instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa)instacron:EMBRAPAenghttps://seer.sct.embrapa.br/index.php/pab/article/view/21093/13039https://seer.sct.embrapa.br/index.php/pab/article/downloadSuppFile/21093/13298https://seer.sct.embrapa.br/index.php/pab/article/downloadSuppFile/21093/13299Direitos autorais 2015 Pesquisa Agropecuária Brasileirainfo:eu-repo/semantics/openAccess2015-10-09T16:54:27Zoai:ojs.seer.sct.embrapa.br:article/21093Revistahttp://seer.sct.embrapa.br/index.php/pabPRIhttps://old.scielo.br/oai/scielo-oai.phppab@sct.embrapa.br || sct.pab@embrapa.br1678-39210100-204Xopendoar:2015-10-09T16:54:27Pesquisa Agropecuária Brasileira (Online) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa)false
dc.title.none.fl_str_mv Sugarcane response to nitrogen rates, measured by a canopy reflectance sensor
Resposta da cana‑de‑açúcar a doses de nitrogênio estimada por sensor de refletância do dossel
title Sugarcane response to nitrogen rates, measured by a canopy reflectance sensor
spellingShingle Sugarcane response to nitrogen rates, measured by a canopy reflectance sensor
Rosa, Hugo José Andrade
NDVI; nitrogen fertilization; optical sensor; precision agriculture; proximal sensing
NDVI; adubação nitrogenada; sensor óptico; agricultura de precisão; sensoriamento proximal
title_short Sugarcane response to nitrogen rates, measured by a canopy reflectance sensor
title_full Sugarcane response to nitrogen rates, measured by a canopy reflectance sensor
title_fullStr Sugarcane response to nitrogen rates, measured by a canopy reflectance sensor
title_full_unstemmed Sugarcane response to nitrogen rates, measured by a canopy reflectance sensor
title_sort Sugarcane response to nitrogen rates, measured by a canopy reflectance sensor
author Rosa, Hugo José Andrade
author_facet Rosa, Hugo José Andrade
Amaral, Lucas Rios do
Molin, José Paulo
Cantarella, Heitor
author_role author
author2 Amaral, Lucas Rios do
Molin, José Paulo
Cantarella, Heitor
author2_role author
author
author
dc.contributor.none.fl_str_mv Fundação de Amparo à Pesquisa do Estado de São Paulo (Fapesp, project number 2008/56.147‑1)
Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq, project number 311.197/2013‑2)
Fundação de Amparo à Pesquisa do Estado de São Paulo (Fapesp, project number 2008/56.147‑1)
Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq, project number 311.197/2013‑2)
dc.contributor.author.fl_str_mv Rosa, Hugo José Andrade
Amaral, Lucas Rios do
Molin, José Paulo
Cantarella, Heitor
dc.subject.por.fl_str_mv NDVI; nitrogen fertilization; optical sensor; precision agriculture; proximal sensing
NDVI; adubação nitrogenada; sensor óptico; agricultura de precisão; sensoriamento proximal
topic NDVI; nitrogen fertilization; optical sensor; precision agriculture; proximal sensing
NDVI; adubação nitrogenada; sensor óptico; agricultura de precisão; sensoriamento proximal
description The objective of this work was to evaluate whether a canopy sensor is capable of estimating sugarcane response to N, as well as to propose strategies for handling the data generated by this device during the decision‑making process for crop N fertilization. Four N rate‑response experiments were carried out, with N rates varying from 0 to 240 kg ha-1. Two evaluations with the canopy sensor were performed when the plants reached average stalk height of 0.3 and 0.5 m. Only two experiments showed stalk yield response to N rates. The canopy sensor was able to identify the crop response to different N rates and the relationship of the nutrient with sugarcane yield. The response index values obtained from the canopy sensor readings were useful in assessing sugarcane response to the applied N rate. Canopy reflectance sensors can help to identify areas responsive to N fertilization and, therefore, improve sugarcane fertilizer management.
publishDate 2015
dc.date.none.fl_str_mv 2015-10-09
dc.type.none.fl_str_mv
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://seer.sct.embrapa.br/index.php/pab/article/view/21093
url https://seer.sct.embrapa.br/index.php/pab/article/view/21093
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv https://seer.sct.embrapa.br/index.php/pab/article/view/21093/13039
https://seer.sct.embrapa.br/index.php/pab/article/downloadSuppFile/21093/13298
https://seer.sct.embrapa.br/index.php/pab/article/downloadSuppFile/21093/13299
dc.rights.driver.fl_str_mv Direitos autorais 2015 Pesquisa Agropecuária Brasileira
info:eu-repo/semantics/openAccess
rights_invalid_str_mv Direitos autorais 2015 Pesquisa Agropecuária Brasileira
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Pesquisa Agropecuaria Brasileira
Pesquisa Agropecuária Brasileira
publisher.none.fl_str_mv Pesquisa Agropecuaria Brasileira
Pesquisa Agropecuária Brasileira
dc.source.none.fl_str_mv Pesquisa Agropecuaria Brasileira; v.50, n.9, set. 2015; 840-848
Pesquisa Agropecuária Brasileira; v.50, n.9, set. 2015; 840-848
1678-3921
0100-104x
reponame:Pesquisa Agropecuária Brasileira (Online)
instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
instacron:EMBRAPA
instname_str Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
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institution EMBRAPA
reponame_str Pesquisa Agropecuária Brasileira (Online)
collection Pesquisa Agropecuária Brasileira (Online)
repository.name.fl_str_mv Pesquisa Agropecuária Brasileira (Online) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
repository.mail.fl_str_mv pab@sct.embrapa.br || sct.pab@embrapa.br
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