RESIDUAL EFFECT OF PHOSPHATE SOURCES ON RICE YIELD AND ON PHOSPHORUS AVAILABILITY EVALUATED BY SEVERAL METHODS

Detalhes bibliográficos
Autor(a) principal: MOREIRA, SILVINO GUIMARÃES
Data de Publicação: 2001
Outros Autores: LUCA, MARCIA APARECIDA SIMONETE EDGAR FERNANDO, PLESE, LUÍS PEDRO DE MELO, JORGE, WAGNER, MALAVOLTA, EURÍPEDES
Tipo de documento: Artigo
Idioma: por
Título da fonte: Pesquisa Agropecuária Gaúcha (Online)
Texto Completo: http://revistapag.agricultura.rs.gov.br/ojs/index.php/revistapag/article/view/361
Resumo: A greenhouse experiment was carried out in order to evaluate the residual effect of triple superphos- phate, magnesium thermophosphate (Yoorin), North Carolina rock phosphate and Arad rock phosphate on the rice yield, to determine the efficiency of five soil P extractants, and to test the "Y" leaf as a diagnostic leaf in the phosphated nutrition of rice. On the previous study, four P rates (0, 50 100 and 200 mg/dm 3) were applied to alfalfa grown in a Oxysol (dystrophic Red Yellow Latosol). The residual effect of P was observed by an increase in grain yield and P accumulation in the plant. Resin, Mehlich-1 and Mehlich-3 soil P extraction methods were similar indicators of available P. Soil P extracted by isotopic dilution and by the Bray extractant presenled lower correlation coefficients with the P accumulated in the plant tops. The "Y" leaf was a good indicator of the P nutrition of rice.
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spelling RESIDUAL EFFECT OF PHOSPHATE SOURCES ON RICE YIELD AND ON PHOSPHORUS AVAILABILITY EVALUATED BY SEVERAL METHODSEFEITO RESIDUAL DE ADUBOS FOSFATADOS NO RENDIMENTO DO ARROZ E NA DISPONIBILIDADE DE FÓSFORO AVALIADA POR DIFERENTES MÉTODOSphosphate fertilïzer , superphosphate, rock phosphate, Fertilizante fosfatado, superfostato, fosfato de rocha, folha A greenhouse experiment was carried out in order to evaluate the residual effect of triple superphos- phate, magnesium thermophosphate (Yoorin), North Carolina rock phosphate and Arad rock phosphate on the rice yield, to determine the efficiency of five soil P extractants, and to test the "Y" leaf as a diagnostic leaf in the phosphated nutrition of rice. On the previous study, four P rates (0, 50 100 and 200 mg/dm 3) were applied to alfalfa grown in a Oxysol (dystrophic Red Yellow Latosol). The residual effect of P was observed by an increase in grain yield and P accumulation in the plant. Resin, Mehlich-1 and Mehlich-3 soil P extraction methods were similar indicators of available P. Soil P extracted by isotopic dilution and by the Bray extractant presenled lower correlation coefficients with the P accumulated in the plant tops. The "Y" leaf was a good indicator of the P nutrition of rice. Objetivou-se neste trabalho avaliar o efeito residual de fertilizantes fosfatados na produção de grãos de arroz, determinar a eficiência de extratores químicos e isotópico na disponibilidade de fósforo e testar a folha "Y" como folha diagnóstica para avaliar o estado nutricional da planta de arroz em P. Utilizou-se um LATOSSOLO VERMELHO-AMARELO, anteriormente cultivado com alfafa. Os tratamentos utilizados no cultivo da leguminosa foram quatro doses (0, 50, 100 e 200 mg/dm 3 de P) e quatro fontes de P (superfostato triplo, termofosfato yoorin, fosfato natural da Carolina do Norte e fosfato natural de Arad). Foi observado efeito residual das doses de ,P tanto na produção de grãos como no acúmulo de P na parte aérea das plantas. Os extratores resina, Mehlich-1 e 3 foram similares na avaliação dos teores de P disponível no solo. O extrator de Bray e a diluição isotopica apresentaram menor coeficiente de correlação entre o P acumulado na parte aérea e o P extraído do solo. A folha "Y" mostrou-se adequada para avaliar o estado nutricional do arroz em P. Departamento de Diagnóstico e Pesquisa Agropecuária. Secretaria de Agricultura, Pecuária e Desenvolvimento Rural2001-12-28info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttp://revistapag.agricultura.rs.gov.br/ojs/index.php/revistapag/article/view/361Pesquisa Agropecuária Gaúcha; Vol 7 No 2 (2001): PESQ. AGROP. GAÚCHA; 191-199Pesquisa Agropecuária Gaúcha; v. 7 n. 2 (2001): PESQ. AGROP. GAÚCHA; 191-1992595-76860104-9070reponame:Pesquisa Agropecuária Gaúcha (Online)instname:Secretaria de Agricultura, Pecuária e Desenvolvimento Rural do Rio Grande do Sulinstacron:SEAPDRporhttp://revistapag.agricultura.rs.gov.br/ojs/index.php/revistapag/article/view/361/330MOREIRA, SILVINO GUIMARÃES LUCA, MARCIA APARECIDA SIMONETE EDGAR FERNANDOPLESE, LUÍS PEDRO DE MELO JORGE, WAGNER MALAVOLTA, EURÍPEDES info:eu-repo/semantics/openAccess2020-08-08T21:31:59Zoai:ojs.revistapag.agricultura.rs.gov.br:article/361Revistahttp://revistapag.agricultura.rs.gov.br/ojs/index.php/revistapagPUBhttp://revistapag.agricultura.rs.gov.br/ojs/index.php/revistapag/oaipag@agricultura.rs.gov.br||2595-76860104-9070opendoar:2020-08-08T21:31:59Pesquisa Agropecuária Gaúcha (Online) - Secretaria de Agricultura, Pecuária e Desenvolvimento Rural do Rio Grande do Sulfalse
dc.title.none.fl_str_mv RESIDUAL EFFECT OF PHOSPHATE SOURCES ON RICE YIELD AND ON PHOSPHORUS AVAILABILITY EVALUATED BY SEVERAL METHODS
EFEITO RESIDUAL DE ADUBOS FOSFATADOS NO RENDIMENTO DO ARROZ E NA DISPONIBILIDADE DE FÓSFORO AVALIADA POR DIFERENTES MÉTODOS
title RESIDUAL EFFECT OF PHOSPHATE SOURCES ON RICE YIELD AND ON PHOSPHORUS AVAILABILITY EVALUATED BY SEVERAL METHODS
spellingShingle RESIDUAL EFFECT OF PHOSPHATE SOURCES ON RICE YIELD AND ON PHOSPHORUS AVAILABILITY EVALUATED BY SEVERAL METHODS
MOREIRA, SILVINO GUIMARÃES
phosphate fertilïzer , superphosphate, rock phosphate,
Fertilizante fosfatado, superfostato, fosfato de rocha, folha
title_short RESIDUAL EFFECT OF PHOSPHATE SOURCES ON RICE YIELD AND ON PHOSPHORUS AVAILABILITY EVALUATED BY SEVERAL METHODS
title_full RESIDUAL EFFECT OF PHOSPHATE SOURCES ON RICE YIELD AND ON PHOSPHORUS AVAILABILITY EVALUATED BY SEVERAL METHODS
title_fullStr RESIDUAL EFFECT OF PHOSPHATE SOURCES ON RICE YIELD AND ON PHOSPHORUS AVAILABILITY EVALUATED BY SEVERAL METHODS
title_full_unstemmed RESIDUAL EFFECT OF PHOSPHATE SOURCES ON RICE YIELD AND ON PHOSPHORUS AVAILABILITY EVALUATED BY SEVERAL METHODS
title_sort RESIDUAL EFFECT OF PHOSPHATE SOURCES ON RICE YIELD AND ON PHOSPHORUS AVAILABILITY EVALUATED BY SEVERAL METHODS
author MOREIRA, SILVINO GUIMARÃES
author_facet MOREIRA, SILVINO GUIMARÃES
LUCA, MARCIA APARECIDA SIMONETE EDGAR FERNANDO
PLESE, LUÍS PEDRO DE MELO
JORGE, WAGNER
MALAVOLTA, EURÍPEDES
author_role author
author2 LUCA, MARCIA APARECIDA SIMONETE EDGAR FERNANDO
PLESE, LUÍS PEDRO DE MELO
JORGE, WAGNER
MALAVOLTA, EURÍPEDES
author2_role author
author
author
author
dc.contributor.author.fl_str_mv MOREIRA, SILVINO GUIMARÃES
LUCA, MARCIA APARECIDA SIMONETE EDGAR FERNANDO
PLESE, LUÍS PEDRO DE MELO
JORGE, WAGNER
MALAVOLTA, EURÍPEDES
dc.subject.por.fl_str_mv phosphate fertilïzer , superphosphate, rock phosphate,
Fertilizante fosfatado, superfostato, fosfato de rocha, folha
topic phosphate fertilïzer , superphosphate, rock phosphate,
Fertilizante fosfatado, superfostato, fosfato de rocha, folha
description A greenhouse experiment was carried out in order to evaluate the residual effect of triple superphos- phate, magnesium thermophosphate (Yoorin), North Carolina rock phosphate and Arad rock phosphate on the rice yield, to determine the efficiency of five soil P extractants, and to test the "Y" leaf as a diagnostic leaf in the phosphated nutrition of rice. On the previous study, four P rates (0, 50 100 and 200 mg/dm 3) were applied to alfalfa grown in a Oxysol (dystrophic Red Yellow Latosol). The residual effect of P was observed by an increase in grain yield and P accumulation in the plant. Resin, Mehlich-1 and Mehlich-3 soil P extraction methods were similar indicators of available P. Soil P extracted by isotopic dilution and by the Bray extractant presenled lower correlation coefficients with the P accumulated in the plant tops. The "Y" leaf was a good indicator of the P nutrition of rice.
publishDate 2001
dc.date.none.fl_str_mv 2001-12-28
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 http://revistapag.agricultura.rs.gov.br/ojs/index.php/revistapag/article/view/361
url http://revistapag.agricultura.rs.gov.br/ojs/index.php/revistapag/article/view/361
dc.language.iso.fl_str_mv por
language por
dc.relation.none.fl_str_mv http://revistapag.agricultura.rs.gov.br/ojs/index.php/revistapag/article/view/361/330
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 Departamento de Diagnóstico e Pesquisa Agropecuária. Secretaria de Agricultura, Pecuária e Desenvolvimento Rural
publisher.none.fl_str_mv Departamento de Diagnóstico e Pesquisa Agropecuária. Secretaria de Agricultura, Pecuária e Desenvolvimento Rural
dc.source.none.fl_str_mv Pesquisa Agropecuária Gaúcha; Vol 7 No 2 (2001): PESQ. AGROP. GAÚCHA; 191-199
Pesquisa Agropecuária Gaúcha; v. 7 n. 2 (2001): PESQ. AGROP. GAÚCHA; 191-199
2595-7686
0104-9070
reponame:Pesquisa Agropecuária Gaúcha (Online)
instname:Secretaria de Agricultura, Pecuária e Desenvolvimento Rural do Rio Grande do Sul
instacron:SEAPDR
instname_str Secretaria de Agricultura, Pecuária e Desenvolvimento Rural do Rio Grande do Sul
instacron_str SEAPDR
institution SEAPDR
reponame_str Pesquisa Agropecuária Gaúcha (Online)
collection Pesquisa Agropecuária Gaúcha (Online)
repository.name.fl_str_mv Pesquisa Agropecuária Gaúcha (Online) - Secretaria de Agricultura, Pecuária e Desenvolvimento Rural do Rio Grande do Sul
repository.mail.fl_str_mv pag@agricultura.rs.gov.br||
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