Sorghum yield after liming and combinations of phosphorus sources.
Autor(a) principal: | |
---|---|
Data de Publicação: | 2018 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice) |
Texto Completo: | http://www.alice.cnptia.embrapa.br/alice/handle/doc/1089611 |
Resumo: | Phosphate fertilization has increased sorghum yield, but few studies are available on sorghum production and efficient fertilizer management related to liming and phosphorus (P) sources. This work evaluates production, dry matter partitioning and agronomic efficiency (AEI) in successive sorghum cycles after application of limestone and combinations of phosphorus sources. Two cycles were conducted in sequence in the same experimental field, in a 2 x 6 factorial scheme, corresponding to soil with or without liming and six combinations of P2O5 sources: control (0 kg ha-1 P2O5), 100% Itafós natural phosphate (NP), 75% NP + 25% single superphosphate (SS), 50% NP + 50% SS, 25% NP + 75% SS and 100% SS. Pots with capacity for 8 dm3 were used in a randomized block design with four replicates. The first cycle, conducted in the summer/autumn season, reached the highest dry matter production and P accumulation in treatments with higher SS proportions, leading to higher AEI. Subsequently, in the second cycle, conducted considering only the residual phosphate fertilization of the first cycle, highest dry matter production and AEI were obtained in the treatment with 100% or higher proportions of natural phosphate in the presence of liming, most likely due to the gradual release of P. |
id |
EMBR_c6bb76d7d1695a63857c63015614861f |
---|---|
oai_identifier_str |
oai:www.alice.cnptia.embrapa.br:doc/1089611 |
network_acronym_str |
EMBR |
network_name_str |
Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice) |
repository_id_str |
2154 |
spelling |
Sorghum yield after liming and combinations of phosphorus sources.Adubação fosfatadaEficiência agronomicaAdubaçãoFósforoSorgoMatéria secaPhosphate fertilization has increased sorghum yield, but few studies are available on sorghum production and efficient fertilizer management related to liming and phosphorus (P) sources. This work evaluates production, dry matter partitioning and agronomic efficiency (AEI) in successive sorghum cycles after application of limestone and combinations of phosphorus sources. Two cycles were conducted in sequence in the same experimental field, in a 2 x 6 factorial scheme, corresponding to soil with or without liming and six combinations of P2O5 sources: control (0 kg ha-1 P2O5), 100% Itafós natural phosphate (NP), 75% NP + 25% single superphosphate (SS), 50% NP + 50% SS, 25% NP + 75% SS and 100% SS. Pots with capacity for 8 dm3 were used in a randomized block design with four replicates. The first cycle, conducted in the summer/autumn season, reached the highest dry matter production and P accumulation in treatments with higher SS proportions, leading to higher AEI. Subsequently, in the second cycle, conducted considering only the residual phosphate fertilization of the first cycle, highest dry matter production and AEI were obtained in the treatment with 100% or higher proportions of natural phosphate in the presence of liming, most likely due to the gradual release of P.Thiago C. Silveira; Rodinei F. Pegoraro; Marcos K. Kondo; ARLEY FIGUEIREDO PORTUGAL, CNPMS; ALVARO VILELA DE RESENDE, CNPMS.SILVEIRA, T. C.PREGORARO, R. F.KONDO, M. K.PORTUGAL, A. F.RESENDE, A. V.2018-03-23T01:02:50Z2018-03-23T01:02:50Z2018-03-2220182018-05-09T11:11:11Zinfo:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/articleRevista Brasileira de Engenharia Agrícola e Ambiental, Campina Grande, v. 22, n. 4, p. 243-248, 2018.http://www.alice.cnptia.embrapa.br/alice/handle/doc/108961110.1590/1807-1929/agriambi.v22n4p243-248enginfo:eu-repo/semantics/openAccessreponame:Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice)instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa)instacron:EMBRAPA2018-03-23T01:02:57Zoai:www.alice.cnptia.embrapa.br:doc/1089611Repositório InstitucionalPUBhttps://www.alice.cnptia.embrapa.br/oai/requestopendoar:21542018-03-23T01:02:57falseRepositório InstitucionalPUBhttps://www.alice.cnptia.embrapa.br/oai/requestcg-riaa@embrapa.bropendoar:21542018-03-23T01:02:57Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa)false |
dc.title.none.fl_str_mv |
Sorghum yield after liming and combinations of phosphorus sources. |
title |
Sorghum yield after liming and combinations of phosphorus sources. |
spellingShingle |
Sorghum yield after liming and combinations of phosphorus sources. SILVEIRA, T. C. Adubação fosfatada Eficiência agronomica Adubação Fósforo Sorgo Matéria seca |
title_short |
Sorghum yield after liming and combinations of phosphorus sources. |
title_full |
Sorghum yield after liming and combinations of phosphorus sources. |
title_fullStr |
Sorghum yield after liming and combinations of phosphorus sources. |
title_full_unstemmed |
Sorghum yield after liming and combinations of phosphorus sources. |
title_sort |
Sorghum yield after liming and combinations of phosphorus sources. |
author |
SILVEIRA, T. C. |
author_facet |
SILVEIRA, T. C. PREGORARO, R. F. KONDO, M. K. PORTUGAL, A. F. RESENDE, A. V. |
author_role |
author |
author2 |
PREGORARO, R. F. KONDO, M. K. PORTUGAL, A. F. RESENDE, A. V. |
author2_role |
author author author author |
dc.contributor.none.fl_str_mv |
Thiago C. Silveira; Rodinei F. Pegoraro; Marcos K. Kondo; ARLEY FIGUEIREDO PORTUGAL, CNPMS; ALVARO VILELA DE RESENDE, CNPMS. |
dc.contributor.author.fl_str_mv |
SILVEIRA, T. C. PREGORARO, R. F. KONDO, M. K. PORTUGAL, A. F. RESENDE, A. V. |
dc.subject.por.fl_str_mv |
Adubação fosfatada Eficiência agronomica Adubação Fósforo Sorgo Matéria seca |
topic |
Adubação fosfatada Eficiência agronomica Adubação Fósforo Sorgo Matéria seca |
description |
Phosphate fertilization has increased sorghum yield, but few studies are available on sorghum production and efficient fertilizer management related to liming and phosphorus (P) sources. This work evaluates production, dry matter partitioning and agronomic efficiency (AEI) in successive sorghum cycles after application of limestone and combinations of phosphorus sources. Two cycles were conducted in sequence in the same experimental field, in a 2 x 6 factorial scheme, corresponding to soil with or without liming and six combinations of P2O5 sources: control (0 kg ha-1 P2O5), 100% Itafós natural phosphate (NP), 75% NP + 25% single superphosphate (SS), 50% NP + 50% SS, 25% NP + 75% SS and 100% SS. Pots with capacity for 8 dm3 were used in a randomized block design with four replicates. The first cycle, conducted in the summer/autumn season, reached the highest dry matter production and P accumulation in treatments with higher SS proportions, leading to higher AEI. Subsequently, in the second cycle, conducted considering only the residual phosphate fertilization of the first cycle, highest dry matter production and AEI were obtained in the treatment with 100% or higher proportions of natural phosphate in the presence of liming, most likely due to the gradual release of P. |
publishDate |
2018 |
dc.date.none.fl_str_mv |
2018-03-23T01:02:50Z 2018-03-23T01:02:50Z 2018-03-22 2018 2018-05-09T11:11:11Z |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/publishedVersion info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
Revista Brasileira de Engenharia Agrícola e Ambiental, Campina Grande, v. 22, n. 4, p. 243-248, 2018. http://www.alice.cnptia.embrapa.br/alice/handle/doc/1089611 10.1590/1807-1929/agriambi.v22n4p243-248 |
identifier_str_mv |
Revista Brasileira de Engenharia Agrícola e Ambiental, Campina Grande, v. 22, n. 4, p. 243-248, 2018. 10.1590/1807-1929/agriambi.v22n4p243-248 |
url |
http://www.alice.cnptia.embrapa.br/alice/handle/doc/1089611 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.source.none.fl_str_mv |
reponame:Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice) instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa) instacron:EMBRAPA |
instname_str |
Empresa Brasileira de Pesquisa Agropecuária (Embrapa) |
instacron_str |
EMBRAPA |
institution |
EMBRAPA |
reponame_str |
Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice) |
collection |
Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice) |
repository.name.fl_str_mv |
Repositório Institucional da EMBRAPA (Repository Open Access to Scientific Information from EMBRAPA - Alice) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa) |
repository.mail.fl_str_mv |
cg-riaa@embrapa.br |
_version_ |
1794503451394179072 |