Sources of potassium in the fertilization of Agata potato
Autor(a) principal: | |
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Data de Publicação: | 2019 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Bioscience journal (Online) |
Texto Completo: | https://seer.ufu.br/index.php/biosciencejournal/article/view/41443 |
Resumo: | The potato plant presents extraordinary productive capacity, being the fertilization one of the essential factors to optimize the cultivars potential. Potassium (K), the nutrient most absorbed and transported by the crop, interferes with the productivity and tubers quality. Despite many efforts to improve the general and nutritional management of the crop, information as K source and its parceling are still not well elucidated, generating doubts to the producers regarding the decision making. The aim of this study was to evaluate the development, productivity and potatoes quality in relation to sources and proportions of potassic fertilization and its subdivision. The field experiment were conducted with the Agate variety, in the municipalities of Ibicoara - BA and São Gotardo - MG. The design was in randomized blocks, in factorial 6X2, with four replications. The treatments consisted of the combination of potassium chloride and double sulfate of potassium and magnesium (100% KCl; 87.5% KCl + 12.5% K2SO4.2MgSO4; 75% KCl + 25% K2SO4.2MgSO4; 50% KCl + 50% K2SO4.2MgSO4; 25% KCl + 75% K2SO4.2MgSO4 and 100% K2SO4.2MgSO4) of the potassium recommended amount (100% at planting or 50% at planting and 50% at the beginning of tuberization). The proportion of potassium fertilizer sources in São Gotardo-MG does not affect the vegetative development at 60 days after planting (DAP) and potato productivity. In Ibicoara-BA, plants fertilized with 100% KCl reduced the amount of discarded tubers and presented aerial dry mass (MSA) accumulation 41% higher than the application of 50% KCl and 50% K2SO4.2MgSO4. The K subdivision is favorable to special tuber classes in São Gotardo-MG and reduces the class Discard in Ibicoara-BA. Most of the proportions between K2SO4.2MgSO4 and KCl did not differ from the exclusive use of KCl for the quantitative parameters. On the other hand, qualitative factors such as starch and soluble solids are related to the application of 100% of K via K2SO4.2MgSO4 in installments. |
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Sources of potassium in the fertilization of Agata potatoFontes de potássio na fertilização da batata ÁgataSolanum tuberosumdouble potassium and magnesium sulfatepotassium chlorideAgricultural SciencesThe potato plant presents extraordinary productive capacity, being the fertilization one of the essential factors to optimize the cultivars potential. Potassium (K), the nutrient most absorbed and transported by the crop, interferes with the productivity and tubers quality. Despite many efforts to improve the general and nutritional management of the crop, information as K source and its parceling are still not well elucidated, generating doubts to the producers regarding the decision making. The aim of this study was to evaluate the development, productivity and potatoes quality in relation to sources and proportions of potassic fertilization and its subdivision. The field experiment were conducted with the Agate variety, in the municipalities of Ibicoara - BA and São Gotardo - MG. The design was in randomized blocks, in factorial 6X2, with four replications. The treatments consisted of the combination of potassium chloride and double sulfate of potassium and magnesium (100% KCl; 87.5% KCl + 12.5% K2SO4.2MgSO4; 75% KCl + 25% K2SO4.2MgSO4; 50% KCl + 50% K2SO4.2MgSO4; 25% KCl + 75% K2SO4.2MgSO4 and 100% K2SO4.2MgSO4) of the potassium recommended amount (100% at planting or 50% at planting and 50% at the beginning of tuberization). The proportion of potassium fertilizer sources in São Gotardo-MG does not affect the vegetative development at 60 days after planting (DAP) and potato productivity. In Ibicoara-BA, plants fertilized with 100% KCl reduced the amount of discarded tubers and presented aerial dry mass (MSA) accumulation 41% higher than the application of 50% KCl and 50% K2SO4.2MgSO4. The K subdivision is favorable to special tuber classes in São Gotardo-MG and reduces the class Discard in Ibicoara-BA. Most of the proportions between K2SO4.2MgSO4 and KCl did not differ from the exclusive use of KCl for the quantitative parameters. On the other hand, qualitative factors such as starch and soluble solids are related to the application of 100% of K via K2SO4.2MgSO4 in installments.EDUFU2019-02-17info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://seer.ufu.br/index.php/biosciencejournal/article/view/4144310.14393/BJ-v35n1a2019-41443Bioscience Journal ; Vol. 35 No. 1 (2019): Jan./Feb.; 79-88Bioscience Journal ; v. 35 n. 1 (2019): Jan./Feb.; 79-881981-3163reponame:Bioscience journal (Online)instname:Universidade Federal de Uberlândia (UFU)instacron:UFUenghttps://seer.ufu.br/index.php/biosciencejournal/article/view/41443/25388Brazil; ContemporaryCopyright (c) 2019 Roberta Camargos Oliveira, José Magno Queiroz Luz, Rodrigo Ribeiro Cardoso, Regina Maria Quintão Lana, Jarbas dos Reis Silvahttps://creativecommons.org/licenses/by/4.0info:eu-repo/semantics/openAccessOliveira, Roberta CamargosLuz, José Magno QueirozCardoso, Rodrigo RibeiroLana, Regina Maria QuintãoSilva, Jarbas dos Reis2022-02-01T22:17:23Zoai:ojs.www.seer.ufu.br:article/41443Revistahttps://seer.ufu.br/index.php/biosciencejournalPUBhttps://seer.ufu.br/index.php/biosciencejournal/oaibiosciencej@ufu.br||1981-31631516-3725opendoar:2022-02-01T22:17:23Bioscience journal (Online) - Universidade Federal de Uberlândia (UFU)false |
dc.title.none.fl_str_mv |
Sources of potassium in the fertilization of Agata potato Fontes de potássio na fertilização da batata Ágata |
title |
Sources of potassium in the fertilization of Agata potato |
spellingShingle |
Sources of potassium in the fertilization of Agata potato Oliveira, Roberta Camargos Solanum tuberosum double potassium and magnesium sulfate potassium chloride Agricultural Sciences |
title_short |
Sources of potassium in the fertilization of Agata potato |
title_full |
Sources of potassium in the fertilization of Agata potato |
title_fullStr |
Sources of potassium in the fertilization of Agata potato |
title_full_unstemmed |
Sources of potassium in the fertilization of Agata potato |
title_sort |
Sources of potassium in the fertilization of Agata potato |
author |
Oliveira, Roberta Camargos |
author_facet |
Oliveira, Roberta Camargos Luz, José Magno Queiroz Cardoso, Rodrigo Ribeiro Lana, Regina Maria Quintão Silva, Jarbas dos Reis |
author_role |
author |
author2 |
Luz, José Magno Queiroz Cardoso, Rodrigo Ribeiro Lana, Regina Maria Quintão Silva, Jarbas dos Reis |
author2_role |
author author author author |
dc.contributor.author.fl_str_mv |
Oliveira, Roberta Camargos Luz, José Magno Queiroz Cardoso, Rodrigo Ribeiro Lana, Regina Maria Quintão Silva, Jarbas dos Reis |
dc.subject.por.fl_str_mv |
Solanum tuberosum double potassium and magnesium sulfate potassium chloride Agricultural Sciences |
topic |
Solanum tuberosum double potassium and magnesium sulfate potassium chloride Agricultural Sciences |
description |
The potato plant presents extraordinary productive capacity, being the fertilization one of the essential factors to optimize the cultivars potential. Potassium (K), the nutrient most absorbed and transported by the crop, interferes with the productivity and tubers quality. Despite many efforts to improve the general and nutritional management of the crop, information as K source and its parceling are still not well elucidated, generating doubts to the producers regarding the decision making. The aim of this study was to evaluate the development, productivity and potatoes quality in relation to sources and proportions of potassic fertilization and its subdivision. The field experiment were conducted with the Agate variety, in the municipalities of Ibicoara - BA and São Gotardo - MG. The design was in randomized blocks, in factorial 6X2, with four replications. The treatments consisted of the combination of potassium chloride and double sulfate of potassium and magnesium (100% KCl; 87.5% KCl + 12.5% K2SO4.2MgSO4; 75% KCl + 25% K2SO4.2MgSO4; 50% KCl + 50% K2SO4.2MgSO4; 25% KCl + 75% K2SO4.2MgSO4 and 100% K2SO4.2MgSO4) of the potassium recommended amount (100% at planting or 50% at planting and 50% at the beginning of tuberization). The proportion of potassium fertilizer sources in São Gotardo-MG does not affect the vegetative development at 60 days after planting (DAP) and potato productivity. In Ibicoara-BA, plants fertilized with 100% KCl reduced the amount of discarded tubers and presented aerial dry mass (MSA) accumulation 41% higher than the application of 50% KCl and 50% K2SO4.2MgSO4. The K subdivision is favorable to special tuber classes in São Gotardo-MG and reduces the class Discard in Ibicoara-BA. Most of the proportions between K2SO4.2MgSO4 and KCl did not differ from the exclusive use of KCl for the quantitative parameters. On the other hand, qualitative factors such as starch and soluble solids are related to the application of 100% of K via K2SO4.2MgSO4 in installments. |
publishDate |
2019 |
dc.date.none.fl_str_mv |
2019-02-17 |
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.ufu.br/index.php/biosciencejournal/article/view/41443 10.14393/BJ-v35n1a2019-41443 |
url |
https://seer.ufu.br/index.php/biosciencejournal/article/view/41443 |
identifier_str_mv |
10.14393/BJ-v35n1a2019-41443 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
https://seer.ufu.br/index.php/biosciencejournal/article/view/41443/25388 |
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.coverage.none.fl_str_mv |
Brazil; Contemporary |
dc.publisher.none.fl_str_mv |
EDUFU |
publisher.none.fl_str_mv |
EDUFU |
dc.source.none.fl_str_mv |
Bioscience Journal ; Vol. 35 No. 1 (2019): Jan./Feb.; 79-88 Bioscience Journal ; v. 35 n. 1 (2019): Jan./Feb.; 79-88 1981-3163 reponame:Bioscience journal (Online) instname:Universidade Federal de Uberlândia (UFU) instacron:UFU |
instname_str |
Universidade Federal de Uberlândia (UFU) |
instacron_str |
UFU |
institution |
UFU |
reponame_str |
Bioscience journal (Online) |
collection |
Bioscience journal (Online) |
repository.name.fl_str_mv |
Bioscience journal (Online) - Universidade Federal de Uberlândia (UFU) |
repository.mail.fl_str_mv |
biosciencej@ufu.br|| |
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1797069079157145600 |