Effects of nitrogen, phosphorus and potassium fertilization on sweet Sorghum grown on a dusky latosol
Autor(a) principal: | |
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Data de Publicação: | 2014 |
Outros Autores: | , |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Pesquisa Agropecuária Brasileira (Online) |
Texto Completo: | https://seer.sct.embrapa.br/index.php/pab/article/view/15701 |
Resumo: | An experiment was set on a Dusky Latosol (Oxisol, clay) which presented 2.3% of OM, 4 µg/cm3 of P and 95 µg/cm3 of K, to study the effects of nitrogen (Ammonium Sulphate), phosphorus (simple superphosphate) and potassium (potassium chloride) fertilization on sweet sorghum (Sorghum bicolor (L.) Moench, cv. Brandes) grain and stalk yields. Levels of 0, 60, 120 and 180 kg/ha of N and K2O and 0, 100, 200 and 300 kg/ha of P2O5 were applied. Maximum grain yields were associated to 114 kg/ha of N or 65, 7 kg/ha of K2O, but there was no response to phosphate fertilization. There was a increase in stalk yield only due to N fertilization up to 77, 5 kg/ha. Nitrogen, phosphorus and potassium levels in the leaves, of 2, 25%, 0, 18% and 1,50%, respectively, were associated to high yields both for grains and stalks. There was not any effect of fertilizer treatments upon juice quality. For grain production, the levels of 74.1 kg/ha of N, 0 kg/ha of P2O5 and 45.2 kg/ha of K2O would be most economical, while only 34.9 kg/ha of N are economically recommended for stalk yield improvement. If both stalk and grain yields are considered, the must economical levels would be 76 and 34 kg/ha of K2O. |
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Effects of nitrogen, phosphorus and potassium fertilization on sweet Sorghum grown on a dusky latosolEfeito de adubação nitrogenada, fosfatada e potássica no sorgo sacarino em um latossolo roxosorghum bicolor; nitrogen; phosphorus; potassium; economical levels; juice quality; nutritional state; yieldssorghum bicolor; nitrogênio; fósforo; potássio; dose econômica; qualidade do caldo; estado nutricional; produtividadeAn experiment was set on a Dusky Latosol (Oxisol, clay) which presented 2.3% of OM, 4 µg/cm3 of P and 95 µg/cm3 of K, to study the effects of nitrogen (Ammonium Sulphate), phosphorus (simple superphosphate) and potassium (potassium chloride) fertilization on sweet sorghum (Sorghum bicolor (L.) Moench, cv. Brandes) grain and stalk yields. Levels of 0, 60, 120 and 180 kg/ha of N and K2O and 0, 100, 200 and 300 kg/ha of P2O5 were applied. Maximum grain yields were associated to 114 kg/ha of N or 65, 7 kg/ha of K2O, but there was no response to phosphate fertilization. There was a increase in stalk yield only due to N fertilization up to 77, 5 kg/ha. Nitrogen, phosphorus and potassium levels in the leaves, of 2, 25%, 0, 18% and 1,50%, respectively, were associated to high yields both for grains and stalks. There was not any effect of fertilizer treatments upon juice quality. For grain production, the levels of 74.1 kg/ha of N, 0 kg/ha of P2O5 and 45.2 kg/ha of K2O would be most economical, while only 34.9 kg/ha of N are economically recommended for stalk yield improvement. If both stalk and grain yields are considered, the must economical levels would be 76 and 34 kg/ha of K2O.Um experimento de campo foi conduzido em Latossolo Roxo distrófico com 2,3% de MO. 4 e 95 µg/cm3 de P e K+, respectivamente, com o objetivo de estudar a resposta do sorgo sacarino (Sorghum bicolor (L.) Moench) cv. Brandes à adubação nitrogenada (sulfato de amônio), fosfatada (superfosfato simples) e potássica (cloreto de potássio). Foram empregadas doses de 0,60,120 e 180 kg/ha de N e K2 O, e doses de 0, 100, 200 e 300 kg/ha de P2O5 . A produção máxima de grãos foi obtida com a aplicação de 114 kg/ha de N ou 65,7 kg/ha de K2O e não houve resposta à aplicação do adubo fosfatado. Com relação à produção de colmos, somente houve resposta ao adubo nitrogenado até a dose de 77,5 kg/ha de N. Teores de N superiores a 2,25%, de fósforo superiores a 0,18% e de potássio superiores a 1,5% nas folhas, estiveram associados à obtenção de boa produtividade tanto de grãos como de colmos. Por outro lado, as adubações empregadas não influenciaram a qualidade do caldo de sorgo sacarino. Para a produção de grãos, seriam mais econômicas as doses de 74,1 kg/ha de N, 0 kg/ha de P2O5 e 45,2 kg/ha de K2O, enquanto para a produção de colmos somente seria economicamente recomendável a dose de 34,9 kg/ha de N. Se consideradas as produções de colmo + grãos, seriam mais econômicas as doses de 76 e 34 kg/ha de K2O.Pesquisa Agropecuaria BrasileiraPesquisa Agropecuária BrasileiraRosolem, Ciro AntonioMachado, José RicardoBrinholi, Oswaldo2014-04-17info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://seer.sct.embrapa.br/index.php/pab/article/view/15701Pesquisa Agropecuaria Brasileira; v.20, n.6, jun. 1985; 635-641Pesquisa Agropecuária Brasileira; v.20, n.6, jun. 1985; 635-6411678-39210100-104xreponame:Pesquisa Agropecuária Brasileira (Online)instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa)instacron:EMBRAPAporhttps://seer.sct.embrapa.br/index.php/pab/article/view/15701/9712info:eu-repo/semantics/openAccess2014-04-17T11:54:13Zoai:ojs.seer.sct.embrapa.br:article/15701Revistahttp://seer.sct.embrapa.br/index.php/pabPRIhttps://old.scielo.br/oai/scielo-oai.phppab@sct.embrapa.br || sct.pab@embrapa.br1678-39210100-204Xopendoar:2014-04-17T11:54:13Pesquisa Agropecuária Brasileira (Online) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa)false |
dc.title.none.fl_str_mv |
Effects of nitrogen, phosphorus and potassium fertilization on sweet Sorghum grown on a dusky latosol Efeito de adubação nitrogenada, fosfatada e potássica no sorgo sacarino em um latossolo roxo |
title |
Effects of nitrogen, phosphorus and potassium fertilization on sweet Sorghum grown on a dusky latosol |
spellingShingle |
Effects of nitrogen, phosphorus and potassium fertilization on sweet Sorghum grown on a dusky latosol Rosolem, Ciro Antonio sorghum bicolor; nitrogen; phosphorus; potassium; economical levels; juice quality; nutritional state; yields sorghum bicolor; nitrogênio; fósforo; potássio; dose econômica; qualidade do caldo; estado nutricional; produtividade |
title_short |
Effects of nitrogen, phosphorus and potassium fertilization on sweet Sorghum grown on a dusky latosol |
title_full |
Effects of nitrogen, phosphorus and potassium fertilization on sweet Sorghum grown on a dusky latosol |
title_fullStr |
Effects of nitrogen, phosphorus and potassium fertilization on sweet Sorghum grown on a dusky latosol |
title_full_unstemmed |
Effects of nitrogen, phosphorus and potassium fertilization on sweet Sorghum grown on a dusky latosol |
title_sort |
Effects of nitrogen, phosphorus and potassium fertilization on sweet Sorghum grown on a dusky latosol |
author |
Rosolem, Ciro Antonio |
author_facet |
Rosolem, Ciro Antonio Machado, José Ricardo Brinholi, Oswaldo |
author_role |
author |
author2 |
Machado, José Ricardo Brinholi, Oswaldo |
author2_role |
author author |
dc.contributor.none.fl_str_mv |
|
dc.contributor.author.fl_str_mv |
Rosolem, Ciro Antonio Machado, José Ricardo Brinholi, Oswaldo |
dc.subject.por.fl_str_mv |
sorghum bicolor; nitrogen; phosphorus; potassium; economical levels; juice quality; nutritional state; yields sorghum bicolor; nitrogênio; fósforo; potássio; dose econômica; qualidade do caldo; estado nutricional; produtividade |
topic |
sorghum bicolor; nitrogen; phosphorus; potassium; economical levels; juice quality; nutritional state; yields sorghum bicolor; nitrogênio; fósforo; potássio; dose econômica; qualidade do caldo; estado nutricional; produtividade |
description |
An experiment was set on a Dusky Latosol (Oxisol, clay) which presented 2.3% of OM, 4 µg/cm3 of P and 95 µg/cm3 of K, to study the effects of nitrogen (Ammonium Sulphate), phosphorus (simple superphosphate) and potassium (potassium chloride) fertilization on sweet sorghum (Sorghum bicolor (L.) Moench, cv. Brandes) grain and stalk yields. Levels of 0, 60, 120 and 180 kg/ha of N and K2O and 0, 100, 200 and 300 kg/ha of P2O5 were applied. Maximum grain yields were associated to 114 kg/ha of N or 65, 7 kg/ha of K2O, but there was no response to phosphate fertilization. There was a increase in stalk yield only due to N fertilization up to 77, 5 kg/ha. Nitrogen, phosphorus and potassium levels in the leaves, of 2, 25%, 0, 18% and 1,50%, respectively, were associated to high yields both for grains and stalks. There was not any effect of fertilizer treatments upon juice quality. For grain production, the levels of 74.1 kg/ha of N, 0 kg/ha of P2O5 and 45.2 kg/ha of K2O would be most economical, while only 34.9 kg/ha of N are economically recommended for stalk yield improvement. If both stalk and grain yields are considered, the must economical levels would be 76 and 34 kg/ha of K2O. |
publishDate |
2014 |
dc.date.none.fl_str_mv |
2014-04-17 |
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/15701 |
url |
https://seer.sct.embrapa.br/index.php/pab/article/view/15701 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.none.fl_str_mv |
https://seer.sct.embrapa.br/index.php/pab/article/view/15701/9712 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
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.20, n.6, jun. 1985; 635-641 Pesquisa Agropecuária Brasileira; v.20, n.6, jun. 1985; 635-641 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) |
instacron_str |
EMBRAPA |
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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