POTASSIUM IN THE EARLY DEVELOPMENT STAGE OF UNBURNED SUGARCANE RATOON

Detalhes bibliográficos
Autor(a) principal: Flores, Rilner Alves
Data de Publicação: 2012
Outros Autores: Prado, Renato de Mello, Politi, Lucas Sanches, Almeida, Thiago Batista Firmato de
Tipo de documento: Artigo
Idioma: por
Título da fonte: Pesquisa Agropecuária Tropical (Online)
Texto Completo: https://revistas.ufg.br/pat/article/view/13977
Resumo: In the mechanized harvesting without the use of fire, there is deposition of straw on the soil surface, which may be recycled and reduce the potassium fertilization for sugarcane, if compared to the burned sugarcane, what may reflect in a lower production cost. This study aimed to evaluate the potassium application effect in the early development of first cutting sugarcane ratoon (SP 89-1115), in an unburned harvesting system. The experiment was installed in a first sugarcane ratoon area, in a clay Oxisol. The treatments consisted of five K2O doses (0 kg ha-1, 32.5 kg ha-1, 65.0 kg ha-1, 130.0 kg ha-1, and 195.0 kg ha-1), as KCl, applied in 2009, in a randomized blocks design with five replications. The growth variables measured were number of tillers, plant height, and stem diameter, 120 days after budding. The potassium application provided a linear increase in the soil potassium content, at the 0-0.20 m and 0.20-0.40 m depth layers, reaching, respectively, 0.18 cmolc dm-3 and 0.12 cmolc dm-3, for the highest K dose. The K fertilization did not affect the number of tillers and stem diameter, but it affected plant height, which reached its highest value at 195.0 kg ha-1 of K2O.
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spelling POTASSIUM IN THE EARLY DEVELOPMENT STAGE OF UNBURNED SUGARCANE RATOONPOTÁSSIO NO DESENVOLVIMENTO INICIAL DA SOQUEIRA DE CANA CRUASaccharum spp.sugarcane biometricsplant nutrition.Saccharum spp.biometria da cana-de-açúcarnutrição de plantas.In the mechanized harvesting without the use of fire, there is deposition of straw on the soil surface, which may be recycled and reduce the potassium fertilization for sugarcane, if compared to the burned sugarcane, what may reflect in a lower production cost. This study aimed to evaluate the potassium application effect in the early development of first cutting sugarcane ratoon (SP 89-1115), in an unburned harvesting system. The experiment was installed in a first sugarcane ratoon area, in a clay Oxisol. The treatments consisted of five K2O doses (0 kg ha-1, 32.5 kg ha-1, 65.0 kg ha-1, 130.0 kg ha-1, and 195.0 kg ha-1), as KCl, applied in 2009, in a randomized blocks design with five replications. The growth variables measured were number of tillers, plant height, and stem diameter, 120 days after budding. The potassium application provided a linear increase in the soil potassium content, at the 0-0.20 m and 0.20-0.40 m depth layers, reaching, respectively, 0.18 cmolc dm-3 and 0.12 cmolc dm-3, for the highest K dose. The K fertilization did not affect the number of tillers and stem diameter, but it affected plant height, which reached its highest value at 195.0 kg ha-1 of K2O.Na colheita mecanizada sem o uso de fogo ocorre deposição de palhada na superfície do solo, a qual pode ser reciclada e reduzir a adubação potássica para a cana-de-açúcar, em relação à cana queimada, o que pode refletir em menor custo de produção. Objetivou-se avaliar o efeito da aplicação de potássio no desenvolvimento inicial da soqueira de primeiro corte da cana-de-açúcar (variedade SP 89-1115), em sistema de colheita sem despalha a fogo. O experimento foi instalado em uma área de primeira soqueira de cana-de-açúcar, cultivada em Latossolo Vermelho, textura argilosa. Os tratamentos foram constituídos por cinco doses de K2O (0 kg ha-1; 32,5 kg ha-1; 65,0 kg ha-1; 130,0 kg ha-1; e 195,0 kg ha-1), na forma de KCl, aplicado em 2009, dispostos em blocos casualizados e com cinco repetições. As variáveis de crescimento avaliadas foram: número de perfilhos, altura de planta e diâmetro de colmo, aos 120 dias após o brotamento. A aplicação de potássio proporcionou incremento com ajuste linear do teor de potássio no solo, nas camadas 0-0,20 m e 0,20-0,40 m de profundidade, atingindo 0,18 cmolc dm-3 e 0,12 cmolc dm-3, respectivamente, para a maior dose de K. A aplicação de K não afetou o número de perfilhos e diâmetro de colmo, mas influenciou a altura, atingindo maior valor na dose de 195,0 kg ha-1 de K2O.Escola de Agronomia - Universidade Federal de Goiás2012-03-23info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionPesquisa Experimentalapplication/pdfhttps://revistas.ufg.br/pat/article/view/13977Pesquisa Agropecuária Tropical [Agricultural Research in the Tropics]; v. 42, n. 1, Jan./Mar. 2012; 106-111Pesquisa Agropecuária Tropical (Agricultural Research in the Tropics); v. 42, n. 1, jan./mar. 2012; 106-111Pesquisa Agropecuária Tropical; v. 42, n. 1, jan./mar. 2012; 106-1111983-4063reponame:Pesquisa Agropecuária Tropical (Online)instname:Universidade Federal de Goiás (UFG)instacron:UFGporhttps://revistas.ufg.br/pat/article/view/13977/10476Copyright (c) 2020 Pesquisa Agropecuária Tropical (Agricultural Research in the Tropics)info:eu-repo/semantics/openAccessFlores, Rilner AlvesPrado, Renato de MelloPoliti, Lucas SanchesAlmeida, Thiago Batista Firmato de2020-07-10T11:10:23Zoai:ojs.revistas.ufg.br:article/13977Revistahttps://revistas.ufg.br/patPUBhttps://revistas.ufg.br/pat/oaiaseleguini.pat@gmail.com||mgoes@agro.ufg.br1983-40631517-6398opendoar:2024-05-21T19:55:52.267311Pesquisa Agropecuária Tropical (Online) - Universidade Federal de Goiás (UFG)true
dc.title.none.fl_str_mv POTASSIUM IN THE EARLY DEVELOPMENT STAGE OF UNBURNED SUGARCANE RATOON
POTÁSSIO NO DESENVOLVIMENTO INICIAL DA SOQUEIRA DE CANA CRUA
title POTASSIUM IN THE EARLY DEVELOPMENT STAGE OF UNBURNED SUGARCANE RATOON
spellingShingle POTASSIUM IN THE EARLY DEVELOPMENT STAGE OF UNBURNED SUGARCANE RATOON
Flores, Rilner Alves
Saccharum spp.
sugarcane biometrics
plant nutrition.
Saccharum spp.
biometria da cana-de-açúcar
nutrição de plantas.
title_short POTASSIUM IN THE EARLY DEVELOPMENT STAGE OF UNBURNED SUGARCANE RATOON
title_full POTASSIUM IN THE EARLY DEVELOPMENT STAGE OF UNBURNED SUGARCANE RATOON
title_fullStr POTASSIUM IN THE EARLY DEVELOPMENT STAGE OF UNBURNED SUGARCANE RATOON
title_full_unstemmed POTASSIUM IN THE EARLY DEVELOPMENT STAGE OF UNBURNED SUGARCANE RATOON
title_sort POTASSIUM IN THE EARLY DEVELOPMENT STAGE OF UNBURNED SUGARCANE RATOON
author Flores, Rilner Alves
author_facet Flores, Rilner Alves
Prado, Renato de Mello
Politi, Lucas Sanches
Almeida, Thiago Batista Firmato de
author_role author
author2 Prado, Renato de Mello
Politi, Lucas Sanches
Almeida, Thiago Batista Firmato de
author2_role author
author
author
dc.contributor.author.fl_str_mv Flores, Rilner Alves
Prado, Renato de Mello
Politi, Lucas Sanches
Almeida, Thiago Batista Firmato de
dc.subject.por.fl_str_mv Saccharum spp.
sugarcane biometrics
plant nutrition.
Saccharum spp.
biometria da cana-de-açúcar
nutrição de plantas.
topic Saccharum spp.
sugarcane biometrics
plant nutrition.
Saccharum spp.
biometria da cana-de-açúcar
nutrição de plantas.
description In the mechanized harvesting without the use of fire, there is deposition of straw on the soil surface, which may be recycled and reduce the potassium fertilization for sugarcane, if compared to the burned sugarcane, what may reflect in a lower production cost. This study aimed to evaluate the potassium application effect in the early development of first cutting sugarcane ratoon (SP 89-1115), in an unburned harvesting system. The experiment was installed in a first sugarcane ratoon area, in a clay Oxisol. The treatments consisted of five K2O doses (0 kg ha-1, 32.5 kg ha-1, 65.0 kg ha-1, 130.0 kg ha-1, and 195.0 kg ha-1), as KCl, applied in 2009, in a randomized blocks design with five replications. The growth variables measured were number of tillers, plant height, and stem diameter, 120 days after budding. The potassium application provided a linear increase in the soil potassium content, at the 0-0.20 m and 0.20-0.40 m depth layers, reaching, respectively, 0.18 cmolc dm-3 and 0.12 cmolc dm-3, for the highest K dose. The K fertilization did not affect the number of tillers and stem diameter, but it affected plant height, which reached its highest value at 195.0 kg ha-1 of K2O.
publishDate 2012
dc.date.none.fl_str_mv 2012-03-23
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
Pesquisa Experimental
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv https://revistas.ufg.br/pat/article/view/13977
url https://revistas.ufg.br/pat/article/view/13977
dc.language.iso.fl_str_mv por
language por
dc.relation.none.fl_str_mv https://revistas.ufg.br/pat/article/view/13977/10476
dc.rights.driver.fl_str_mv Copyright (c) 2020 Pesquisa Agropecuária Tropical (Agricultural Research in the Tropics)
info:eu-repo/semantics/openAccess
rights_invalid_str_mv Copyright (c) 2020 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. 42, n. 1, Jan./Mar. 2012; 106-111
Pesquisa Agropecuária Tropical (Agricultural Research in the Tropics); v. 42, n. 1, jan./mar. 2012; 106-111
Pesquisa Agropecuária Tropical; v. 42, n. 1, jan./mar. 2012; 106-111
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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