Nitrogen fertilizer management for efficient use by dry bean in tropical lowland

Detalhes bibliográficos
Autor(a) principal: Santos, Alberto Baêta dos
Data de Publicação: 2007
Outros Autores: Fageria, Nand Kumar
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/7690
Resumo: The objective of this work was to evaluate the response and efficiency of N applied to bean cultivars in lowland soils. A completely randomized desing comprising six replicates, with split plots consisting of N management treatments, and the subplots consisting of cultivars, was used. Application of total N in furrow at sowing caused saline effect of fertilizer on seeds, and reduced the crop stand. Total N applied and incorporated in the furrow at sowing, as well as 15 days after emergence between rows, was more effective compared to fertilizer applied in broadcast or incorporated into the soil by ploughing before sowing, regarding grain yield. There was diversity among cultivars in relation to the efficiency of N use. Cultivar BRS Pontal was more productive, indicating high adaptability to tropical lowland environment. Nitrogen use efficiency was higher in medium growth cycle cultivars compared to early maturing cultivars. Grain yield was positively associated with agronomic efficiency, recovery and utilization efficiencies. Grain yield and N use efficiency by cultivars differ according to N fertilizer management.
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spelling Nitrogen fertilizer management for efficient use by dry bean in tropical lowlandManejo do nitrogênio para eficiência de uso por cultivares de feijoeiro em várzea tropicalPhaseolus vulgaris; nitrogen accumulation; nitrogen fertilization; topdressingPhaseolus vulgaris; acumulação de nitrogênio; adubação nitrogenada; adubação de coberturaThe objective of this work was to evaluate the response and efficiency of N applied to bean cultivars in lowland soils. A completely randomized desing comprising six replicates, with split plots consisting of N management treatments, and the subplots consisting of cultivars, was used. Application of total N in furrow at sowing caused saline effect of fertilizer on seeds, and reduced the crop stand. Total N applied and incorporated in the furrow at sowing, as well as 15 days after emergence between rows, was more effective compared to fertilizer applied in broadcast or incorporated into the soil by ploughing before sowing, regarding grain yield. There was diversity among cultivars in relation to the efficiency of N use. Cultivar BRS Pontal was more productive, indicating high adaptability to tropical lowland environment. Nitrogen use efficiency was higher in medium growth cycle cultivars compared to early maturing cultivars. Grain yield was positively associated with agronomic efficiency, recovery and utilization efficiencies. Grain yield and N use efficiency by cultivars differ according to N fertilizer management.O objetivo deste trabalho foi avaliar a resposta e a eficiência do uso de N, por cultivares de feijoeiro, em função do manejo do fertilizante nitrogenado em solo de várzea. O delineamento experimental foi o inteiramente casualizado, com seis repetições, no esquema de parcelas divididas constituídas pelos manejos de N, e as subparcelas pelas cultivares. A aplicação de N no sulco de semeadura causou efeito salino do fertilizante, o que reduziu a população de feijoeiros. A incorporação de todo o N em sulcos distintos das linhas da semeadura, por ocasião dessa ou até 15 dias após a emergência, é mais eficaz no aumento da produtividade de grãos de feijão, do que a aplicação a lanço na superfície ou incorporada com grade antes da semeadura. A cultivar BRS Pontal foi a mais produtiva, o que é indicativo de alta adaptação ao ambiente de várzea tropical. Houve diversidade na eficiência de uso de N entre as cultivares de feijoeiro, e as de ciclo médio foram mais eficientes do que as precoces. A produtividade de grãos foi positivamente associada às eficiências agronômica, de recuperação e de utilização de N. A produtividade de grãos e a eficiência de uso de N pelas cultivares diferem conforme o manejo do fertilizante nitrogenado.Pesquisa Agropecuaria BrasileiraPesquisa Agropecuária BrasileiraSantos, Alberto Baêta dosFageria, Nand Kumar2007-09-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://seer.sct.embrapa.br/index.php/pab/article/view/7690Pesquisa Agropecuaria Brasileira; v.42, n.9, set. 2007; 1237-1248Pesquisa Agropecuária Brasileira; v.42, n.9, set. 2007; 1237-12481678-39210100-104xreponame:Pesquisa Agropecuária Brasileira (Online)instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa)instacron:EMBRAPAporhttps://seer.sct.embrapa.br/index.php/pab/article/view/7690/4609info:eu-repo/semantics/openAccess2014-10-13T17:29:38Zoai:ojs.seer.sct.embrapa.br:article/7690Revistahttp://seer.sct.embrapa.br/index.php/pabPRIhttps://old.scielo.br/oai/scielo-oai.phppab@sct.embrapa.br || sct.pab@embrapa.br1678-39210100-204Xopendoar:2014-10-13T17:29:38Pesquisa Agropecuária Brasileira (Online) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa)false
dc.title.none.fl_str_mv Nitrogen fertilizer management for efficient use by dry bean in tropical lowland
Manejo do nitrogênio para eficiência de uso por cultivares de feijoeiro em várzea tropical
title Nitrogen fertilizer management for efficient use by dry bean in tropical lowland
spellingShingle Nitrogen fertilizer management for efficient use by dry bean in tropical lowland
Santos, Alberto Baêta dos
Phaseolus vulgaris; nitrogen accumulation; nitrogen fertilization; topdressing
Phaseolus vulgaris; acumulação de nitrogênio; adubação nitrogenada; adubação de cobertura
title_short Nitrogen fertilizer management for efficient use by dry bean in tropical lowland
title_full Nitrogen fertilizer management for efficient use by dry bean in tropical lowland
title_fullStr Nitrogen fertilizer management for efficient use by dry bean in tropical lowland
title_full_unstemmed Nitrogen fertilizer management for efficient use by dry bean in tropical lowland
title_sort Nitrogen fertilizer management for efficient use by dry bean in tropical lowland
author Santos, Alberto Baêta dos
author_facet Santos, Alberto Baêta dos
Fageria, Nand Kumar
author_role author
author2 Fageria, Nand Kumar
author2_role author
dc.contributor.none.fl_str_mv

dc.contributor.author.fl_str_mv Santos, Alberto Baêta dos
Fageria, Nand Kumar
dc.subject.por.fl_str_mv Phaseolus vulgaris; nitrogen accumulation; nitrogen fertilization; topdressing
Phaseolus vulgaris; acumulação de nitrogênio; adubação nitrogenada; adubação de cobertura
topic Phaseolus vulgaris; nitrogen accumulation; nitrogen fertilization; topdressing
Phaseolus vulgaris; acumulação de nitrogênio; adubação nitrogenada; adubação de cobertura
description The objective of this work was to evaluate the response and efficiency of N applied to bean cultivars in lowland soils. A completely randomized desing comprising six replicates, with split plots consisting of N management treatments, and the subplots consisting of cultivars, was used. Application of total N in furrow at sowing caused saline effect of fertilizer on seeds, and reduced the crop stand. Total N applied and incorporated in the furrow at sowing, as well as 15 days after emergence between rows, was more effective compared to fertilizer applied in broadcast or incorporated into the soil by ploughing before sowing, regarding grain yield. There was diversity among cultivars in relation to the efficiency of N use. Cultivar BRS Pontal was more productive, indicating high adaptability to tropical lowland environment. Nitrogen use efficiency was higher in medium growth cycle cultivars compared to early maturing cultivars. Grain yield was positively associated with agronomic efficiency, recovery and utilization efficiencies. Grain yield and N use efficiency by cultivars differ according to N fertilizer management.
publishDate 2007
dc.date.none.fl_str_mv 2007-09-01
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/7690
url https://seer.sct.embrapa.br/index.php/pab/article/view/7690
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/7690/4609
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.42, n.9, set. 2007; 1237-1248
Pesquisa Agropecuária Brasileira; v.42, n.9, set. 2007; 1237-1248
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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