Corn growth and changes of soil and root parameters as affected by phosphate fertilizers and liming

Detalhes bibliográficos
Autor(a) principal: Ernani, Paulo R.
Data de Publicação: 1991
Outros Autores: Barber, Stanley A.
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/3470
Resumo: Soil and root parameters that influence nutrient uptake were evaluated in this study of comparing the effectiveness of phosphate fertilizers in an acid soil. North Carolina rock phosphate (RP), partially acidulated Togo rock phosphate (PA), monocalcium phosphate (MCP), and diammonium phosphate (DAP) were applied to limed (pH 5.6) or unlimed (pH 4.6) soil samples. Eighteen days later, transplanted corn (Zea mays L) seedlings were grown in pots for 12 days. Soluble phosphates, DAP and MCP, were the most efficient fertilizers for increasing corn dry matter on limed pots; in absence of limestone, the best yield was obained with DAP because it decreased soil solution Al. Phosphorus in the soil solution (Pli) was lower on limed than on unlimed samples, but resin-exchangeable P was not affected by liming. MCP gave the highest increase of Pli on unlimed samples whereas DAP did it in presence of liming. Root dry matter and root length were greater on limed than on unlimed pots for all sources of P, except for DAP, where the soil acidity had no detrimental effect on these parameters.
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spelling Corn growth and changes of soil and root parameters as affected by phosphate fertilizers and limingRendimento de matéria seca de milho e modificação em parâmetros de solo e de raiz afetados por fertilizantes fosfatados e pela calagemphosphorus; pH; soil solution; nutrient uptakepH; fósforo; solução do solo; absorção de nutrientesSoil and root parameters that influence nutrient uptake were evaluated in this study of comparing the effectiveness of phosphate fertilizers in an acid soil. North Carolina rock phosphate (RP), partially acidulated Togo rock phosphate (PA), monocalcium phosphate (MCP), and diammonium phosphate (DAP) were applied to limed (pH 5.6) or unlimed (pH 4.6) soil samples. Eighteen days later, transplanted corn (Zea mays L) seedlings were grown in pots for 12 days. Soluble phosphates, DAP and MCP, were the most efficient fertilizers for increasing corn dry matter on limed pots; in absence of limestone, the best yield was obained with DAP because it decreased soil solution Al. Phosphorus in the soil solution (Pli) was lower on limed than on unlimed samples, but resin-exchangeable P was not affected by liming. MCP gave the highest increase of Pli on unlimed samples whereas DAP did it in presence of liming. Root dry matter and root length were greater on limed than on unlimed pots for all sources of P, except for DAP, where the soil acidity had no detrimental effect on these parameters.Parâmetros de solo e de planta que afetam a absorção de nutrientes foram de­terminados neste estudo para comparar a eficiência de fertilizantes fosfatados num solo áci­do. Monocálcio fosfato (MCP), diamonofosfato (DAP), fosfato natural de Norte Carolina, e fosfato natural de Togo parcialmente acidulado foram aplicados em amostras, calcariadas (pH 5,6) ou não (pH 4,6), de um alfissolo. Dezoito dias após, plântulas de milho (Zea mays L.) foram transplantadas para vasos e cultivadas por doze dias. Os fosfatos solúveis, MCP e DAP, promoveram os maiores aumentos de matéria seca de milho no solo calcariado; sem calcário, DAP foi o mais eficiente porque diminuiu o Al da solução do solo. Fósforo na solu­ção do solo (Pli) foi mais baixo com calcário do que na ausência de calagem, mas P-resina não foi afetado pela calagem. O maior aumento no Pli foi obtido com MCP na ausência de calcá­rio, e com DAP no solo calcariado. O comprimento e a matéria seca de raízes foram maiores na presença do que na ausência de calagem, exceto para o DAP, onde o pH baixo não afetou negativamente esses parâmetros.Pesquisa Agropecuaria BrasileiraPesquisa Agropecuária BrasileiraErnani, Paulo R.Barber, Stanley A.1991-09-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://seer.sct.embrapa.br/index.php/pab/article/view/3470Pesquisa Agropecuaria Brasileira; v.26, n.9, set. 1991; 1309-1314Pesquisa Agropecuária Brasileira; v.26, n.9, set. 1991; 1309-13141678-39210100-104xreponame:Pesquisa Agropecuária Brasileira (Online)instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa)instacron:EMBRAPAporhttps://seer.sct.embrapa.br/index.php/pab/article/view/3470/803info:eu-repo/semantics/openAccess2009-12-21T12:53:28Zoai:ojs.seer.sct.embrapa.br:article/3470Revistahttp://seer.sct.embrapa.br/index.php/pabPRIhttps://old.scielo.br/oai/scielo-oai.phppab@sct.embrapa.br || sct.pab@embrapa.br1678-39210100-204Xopendoar:2009-12-21T12:53:28Pesquisa Agropecuária Brasileira (Online) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa)false
dc.title.none.fl_str_mv Corn growth and changes of soil and root parameters as affected by phosphate fertilizers and liming
Rendimento de matéria seca de milho e modificação em parâmetros de solo e de raiz afetados por fertilizantes fosfatados e pela calagem
title Corn growth and changes of soil and root parameters as affected by phosphate fertilizers and liming
spellingShingle Corn growth and changes of soil and root parameters as affected by phosphate fertilizers and liming
Ernani, Paulo R.
phosphorus; pH; soil solution; nutrient uptake
pH; fósforo; solução do solo; absorção de nutrientes
title_short Corn growth and changes of soil and root parameters as affected by phosphate fertilizers and liming
title_full Corn growth and changes of soil and root parameters as affected by phosphate fertilizers and liming
title_fullStr Corn growth and changes of soil and root parameters as affected by phosphate fertilizers and liming
title_full_unstemmed Corn growth and changes of soil and root parameters as affected by phosphate fertilizers and liming
title_sort Corn growth and changes of soil and root parameters as affected by phosphate fertilizers and liming
author Ernani, Paulo R.
author_facet Ernani, Paulo R.
Barber, Stanley A.
author_role author
author2 Barber, Stanley A.
author2_role author
dc.contributor.none.fl_str_mv

dc.contributor.author.fl_str_mv Ernani, Paulo R.
Barber, Stanley A.
dc.subject.por.fl_str_mv phosphorus; pH; soil solution; nutrient uptake
pH; fósforo; solução do solo; absorção de nutrientes
topic phosphorus; pH; soil solution; nutrient uptake
pH; fósforo; solução do solo; absorção de nutrientes
description Soil and root parameters that influence nutrient uptake were evaluated in this study of comparing the effectiveness of phosphate fertilizers in an acid soil. North Carolina rock phosphate (RP), partially acidulated Togo rock phosphate (PA), monocalcium phosphate (MCP), and diammonium phosphate (DAP) were applied to limed (pH 5.6) or unlimed (pH 4.6) soil samples. Eighteen days later, transplanted corn (Zea mays L) seedlings were grown in pots for 12 days. Soluble phosphates, DAP and MCP, were the most efficient fertilizers for increasing corn dry matter on limed pots; in absence of limestone, the best yield was obained with DAP because it decreased soil solution Al. Phosphorus in the soil solution (Pli) was lower on limed than on unlimed samples, but resin-exchangeable P was not affected by liming. MCP gave the highest increase of Pli on unlimed samples whereas DAP did it in presence of liming. Root dry matter and root length were greater on limed than on unlimed pots for all sources of P, except for DAP, where the soil acidity had no detrimental effect on these parameters.
publishDate 1991
dc.date.none.fl_str_mv 1991-09-01
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/3470
url https://seer.sct.embrapa.br/index.php/pab/article/view/3470
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/3470/803
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.26, n.9, set. 1991; 1309-1314
Pesquisa Agropecuária Brasileira; v.26, n.9, set. 1991; 1309-1314
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)
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