Potassium nutrition in the first and second ratoon sugarcane grown in an Oxisol by a conservationist system
Autor(a) principal: | |
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Data de Publicação: | 2014 |
Outros Autores: | , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.4067/S0718-58392014000100013 http://hdl.handle.net/11449/113237 |
Resumo: | The presence of mulch on the soil surface after the mechanical harvesting of sugarcane (Saccharum officinarum L.) enhances the cycling of nutrients, especially K, which can decrease K fertilizer recommendations for the crop. The aim of this study was to evaluate the effect of K addition to an Oxisol, with an initial concentration 0.07 cmol(c) K kg(-1), in first and second ratoon (no-till) sugarcane cultures by a conservationist system, i.e. rational use of fertilizers, use of alternative inputs and especially the maintenance of residues in soil that was previously burned to facilitate cutting. The following K doses were tested: 0, 32.5, 65, 130, and 195 kg K2O ha(-1), arranged in a randomized block design with five replicates. Potassium content in the soil and in the plant, as well as the yield and the quality of stalks were evaluated. Soil K application increased K concentration in soil and plant, and was reflected in the prodUction of stalks, with higher production (87.5 and 107.5 t ha(-1)) with the use of 120 and 123 kg K2O ha(-1) in first and second ratoon sugarcane, respectively. At the first 2 yr it was not possible to reduce the K fertilization in ratoon. Therefore, with the introduction of the conservationist system there was an increase (20 t ha(-1)) at the second ratoon regarding the first one with the same applied rate. |
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Repositório Institucional da UNESP |
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Potassium nutrition in the first and second ratoon sugarcane grown in an Oxisol by a conservationist systemPlant nutritionresidues coveringSaccharum officinaruinThe presence of mulch on the soil surface after the mechanical harvesting of sugarcane (Saccharum officinarum L.) enhances the cycling of nutrients, especially K, which can decrease K fertilizer recommendations for the crop. The aim of this study was to evaluate the effect of K addition to an Oxisol, with an initial concentration 0.07 cmol(c) K kg(-1), in first and second ratoon (no-till) sugarcane cultures by a conservationist system, i.e. rational use of fertilizers, use of alternative inputs and especially the maintenance of residues in soil that was previously burned to facilitate cutting. The following K doses were tested: 0, 32.5, 65, 130, and 195 kg K2O ha(-1), arranged in a randomized block design with five replicates. Potassium content in the soil and in the plant, as well as the yield and the quality of stalks were evaluated. Soil K application increased K concentration in soil and plant, and was reflected in the prodUction of stalks, with higher production (87.5 and 107.5 t ha(-1)) with the use of 120 and 123 kg K2O ha(-1) in first and second ratoon sugarcane, respectively. At the first 2 yr it was not possible to reduce the K fertilization in ratoon. Therefore, with the introduction of the conservationist system there was an increase (20 t ha(-1)) at the second ratoon regarding the first one with the same applied rate.Univ Fed Goias, Escola Agr, BR-74690900 Goiania, Go, BrazilUniv Estadual Paulista, UNESP, Fac Ciencias Agr & Vet, Dept Solos & Adubos, Jaboticabal, SP, BrazilUniv Estadual Paulista, UNESP, Fac Ciencias Agr & Vet, Dept Solos & Adubos, Jaboticabal, SP, BrazilInst Investigaciones AgropecuariasUniversidade Federal de Goiás (UFG)Universidade Estadual Paulista (Unesp)Flores, Rilner AlvesPrado, Renato de Mello [UNESP]Pancelli, Marcio Alexandre [UNESP]Almeida Junior, Hilario [UNESP]Moda, Leandro Rosatto [UNESP]Montes Nogueira Borges, Bernardo Melo [UNESP]Souza Junior, Jonas Pereira de [UNESP]2014-12-03T13:11:32Z2014-12-03T13:11:32Z2014-01-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article83-88application/pdfhttp://dx.doi.org/10.4067/S0718-58392014000100013Chilean Journal Of Agricultural Research. Chillan: Inst Investigaciones Agropecuarias, v. 74, n. 1, p. 83-88, 2014.0718-5839http://hdl.handle.net/11449/11323710.4067/S0718-58392014000100013WOS:000335634800013WOS000335634800013.pdfWeb of Sciencereponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengChilean Journal of Agricultural Research0.7750,377info:eu-repo/semantics/openAccess2024-06-07T14:23:13Zoai:repositorio.unesp.br:11449/113237Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462024-08-05T15:20:48.338380Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
Potassium nutrition in the first and second ratoon sugarcane grown in an Oxisol by a conservationist system |
title |
Potassium nutrition in the first and second ratoon sugarcane grown in an Oxisol by a conservationist system |
spellingShingle |
Potassium nutrition in the first and second ratoon sugarcane grown in an Oxisol by a conservationist system Flores, Rilner Alves Plant nutrition residues covering Saccharum officinaruin |
title_short |
Potassium nutrition in the first and second ratoon sugarcane grown in an Oxisol by a conservationist system |
title_full |
Potassium nutrition in the first and second ratoon sugarcane grown in an Oxisol by a conservationist system |
title_fullStr |
Potassium nutrition in the first and second ratoon sugarcane grown in an Oxisol by a conservationist system |
title_full_unstemmed |
Potassium nutrition in the first and second ratoon sugarcane grown in an Oxisol by a conservationist system |
title_sort |
Potassium nutrition in the first and second ratoon sugarcane grown in an Oxisol by a conservationist system |
author |
Flores, Rilner Alves |
author_facet |
Flores, Rilner Alves Prado, Renato de Mello [UNESP] Pancelli, Marcio Alexandre [UNESP] Almeida Junior, Hilario [UNESP] Moda, Leandro Rosatto [UNESP] Montes Nogueira Borges, Bernardo Melo [UNESP] Souza Junior, Jonas Pereira de [UNESP] |
author_role |
author |
author2 |
Prado, Renato de Mello [UNESP] Pancelli, Marcio Alexandre [UNESP] Almeida Junior, Hilario [UNESP] Moda, Leandro Rosatto [UNESP] Montes Nogueira Borges, Bernardo Melo [UNESP] Souza Junior, Jonas Pereira de [UNESP] |
author2_role |
author author author author author author |
dc.contributor.none.fl_str_mv |
Universidade Federal de Goiás (UFG) Universidade Estadual Paulista (Unesp) |
dc.contributor.author.fl_str_mv |
Flores, Rilner Alves Prado, Renato de Mello [UNESP] Pancelli, Marcio Alexandre [UNESP] Almeida Junior, Hilario [UNESP] Moda, Leandro Rosatto [UNESP] Montes Nogueira Borges, Bernardo Melo [UNESP] Souza Junior, Jonas Pereira de [UNESP] |
dc.subject.por.fl_str_mv |
Plant nutrition residues covering Saccharum officinaruin |
topic |
Plant nutrition residues covering Saccharum officinaruin |
description |
The presence of mulch on the soil surface after the mechanical harvesting of sugarcane (Saccharum officinarum L.) enhances the cycling of nutrients, especially K, which can decrease K fertilizer recommendations for the crop. The aim of this study was to evaluate the effect of K addition to an Oxisol, with an initial concentration 0.07 cmol(c) K kg(-1), in first and second ratoon (no-till) sugarcane cultures by a conservationist system, i.e. rational use of fertilizers, use of alternative inputs and especially the maintenance of residues in soil that was previously burned to facilitate cutting. The following K doses were tested: 0, 32.5, 65, 130, and 195 kg K2O ha(-1), arranged in a randomized block design with five replicates. Potassium content in the soil and in the plant, as well as the yield and the quality of stalks were evaluated. Soil K application increased K concentration in soil and plant, and was reflected in the prodUction of stalks, with higher production (87.5 and 107.5 t ha(-1)) with the use of 120 and 123 kg K2O ha(-1) in first and second ratoon sugarcane, respectively. At the first 2 yr it was not possible to reduce the K fertilization in ratoon. Therefore, with the introduction of the conservationist system there was an increase (20 t ha(-1)) at the second ratoon regarding the first one with the same applied rate. |
publishDate |
2014 |
dc.date.none.fl_str_mv |
2014-12-03T13:11:32Z 2014-12-03T13:11:32Z 2014-01-01 |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://dx.doi.org/10.4067/S0718-58392014000100013 Chilean Journal Of Agricultural Research. Chillan: Inst Investigaciones Agropecuarias, v. 74, n. 1, p. 83-88, 2014. 0718-5839 http://hdl.handle.net/11449/113237 10.4067/S0718-58392014000100013 WOS:000335634800013 WOS000335634800013.pdf |
url |
http://dx.doi.org/10.4067/S0718-58392014000100013 http://hdl.handle.net/11449/113237 |
identifier_str_mv |
Chilean Journal Of Agricultural Research. Chillan: Inst Investigaciones Agropecuarias, v. 74, n. 1, p. 83-88, 2014. 0718-5839 10.4067/S0718-58392014000100013 WOS:000335634800013 WOS000335634800013.pdf |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Chilean Journal of Agricultural Research 0.775 0,377 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
83-88 application/pdf |
dc.publisher.none.fl_str_mv |
Inst Investigaciones Agropecuarias |
publisher.none.fl_str_mv |
Inst Investigaciones Agropecuarias |
dc.source.none.fl_str_mv |
Web of Science reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
|
_version_ |
1808128499535314944 |