Canola response to nitrogen sources and split application

Detalhes bibliográficos
Autor(a) principal: Kaefer,João E.
Data de Publicação: 2015
Outros Autores: Richart,Alfredo, Nozaki,Márcia de H., Daga,Jacir, Campagnolo,Rodrigo, Follmann,Paulo E.
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Revista Brasileira de Engenharia Agrícola e Ambiental (Online)
Texto Completo: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662015001101042
Resumo: ABSTRACTThe aim of this study was to evaluate the response of the canola crop to nitrogen (N) sources and split application. The experiment was carried out in two agricultural years (2009 and 2010), at the experimental unit of the Pontifical Catholic University of Paraná - PUCPR, Campus of Toledo. A completely randomized design in 5 x 2 factorial scheme was adopted in the experiment. The treatments consisted of five split applications of N at sowing and/or as top dressing (0 and 0, 120 and 0, 0 and 120, 40 and 80, 80 and 40 kg of N ha-1) and two N sources (ammonium sulfate and urea), with four replicates. The canola genotype Hyola 61 was used in the experiment, which was evaluated for plant height, number of plants m-2, shoot dry matter, leaf area, mass of seedpods plant-1, thousand-grain weight, yield and the contents of protein and oil in the grains. The results show that the variables were not influenced by the evaluated sources of N fertilization, but were significantly influenced by the split application of N, with the highest results obtained for the application of 1/3 at sowing and 2/3 as top-dressing (40 and 80 kg ha-1 of N).
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spelling Canola response to nitrogen sources and split applicationureaammonium sulfateprotein contentoil contentBrassica napus L.ABSTRACTThe aim of this study was to evaluate the response of the canola crop to nitrogen (N) sources and split application. The experiment was carried out in two agricultural years (2009 and 2010), at the experimental unit of the Pontifical Catholic University of Paraná - PUCPR, Campus of Toledo. A completely randomized design in 5 x 2 factorial scheme was adopted in the experiment. The treatments consisted of five split applications of N at sowing and/or as top dressing (0 and 0, 120 and 0, 0 and 120, 40 and 80, 80 and 40 kg of N ha-1) and two N sources (ammonium sulfate and urea), with four replicates. The canola genotype Hyola 61 was used in the experiment, which was evaluated for plant height, number of plants m-2, shoot dry matter, leaf area, mass of seedpods plant-1, thousand-grain weight, yield and the contents of protein and oil in the grains. The results show that the variables were not influenced by the evaluated sources of N fertilization, but were significantly influenced by the split application of N, with the highest results obtained for the application of 1/3 at sowing and 2/3 as top-dressing (40 and 80 kg ha-1 of N).Departamento de Engenharia Agrícola - UFCG2015-11-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662015001101042Revista Brasileira de Engenharia Agrícola e Ambiental v.19 n.11 2015reponame:Revista Brasileira de Engenharia Agrícola e Ambiental (Online)instname:Universidade Federal de Campina Grande (UFCG)instacron:UFCG10.1590/1807-1929/agriambi.v19n11p1042-1048info:eu-repo/semantics/openAccessKaefer,João E.Richart,AlfredoNozaki,Márcia de H.Daga,JacirCampagnolo,RodrigoFollmann,Paulo E.eng2015-10-29T00:00:00Zoai:scielo:S1415-43662015001101042Revistahttp://www.scielo.br/rbeaaPUBhttps://old.scielo.br/oai/scielo-oai.php||agriambi@agriambi.com.br1807-19291415-4366opendoar:2015-10-29T00:00Revista Brasileira de Engenharia Agrícola e Ambiental (Online) - Universidade Federal de Campina Grande (UFCG)false
dc.title.none.fl_str_mv Canola response to nitrogen sources and split application
title Canola response to nitrogen sources and split application
spellingShingle Canola response to nitrogen sources and split application
Kaefer,João E.
urea
ammonium sulfate
protein content
oil content
Brassica napus L.
title_short Canola response to nitrogen sources and split application
title_full Canola response to nitrogen sources and split application
title_fullStr Canola response to nitrogen sources and split application
title_full_unstemmed Canola response to nitrogen sources and split application
title_sort Canola response to nitrogen sources and split application
author Kaefer,João E.
author_facet Kaefer,João E.
Richart,Alfredo
Nozaki,Márcia de H.
Daga,Jacir
Campagnolo,Rodrigo
Follmann,Paulo E.
author_role author
author2 Richart,Alfredo
Nozaki,Márcia de H.
Daga,Jacir
Campagnolo,Rodrigo
Follmann,Paulo E.
author2_role author
author
author
author
author
dc.contributor.author.fl_str_mv Kaefer,João E.
Richart,Alfredo
Nozaki,Márcia de H.
Daga,Jacir
Campagnolo,Rodrigo
Follmann,Paulo E.
dc.subject.por.fl_str_mv urea
ammonium sulfate
protein content
oil content
Brassica napus L.
topic urea
ammonium sulfate
protein content
oil content
Brassica napus L.
description ABSTRACTThe aim of this study was to evaluate the response of the canola crop to nitrogen (N) sources and split application. The experiment was carried out in two agricultural years (2009 and 2010), at the experimental unit of the Pontifical Catholic University of Paraná - PUCPR, Campus of Toledo. A completely randomized design in 5 x 2 factorial scheme was adopted in the experiment. The treatments consisted of five split applications of N at sowing and/or as top dressing (0 and 0, 120 and 0, 0 and 120, 40 and 80, 80 and 40 kg of N ha-1) and two N sources (ammonium sulfate and urea), with four replicates. The canola genotype Hyola 61 was used in the experiment, which was evaluated for plant height, number of plants m-2, shoot dry matter, leaf area, mass of seedpods plant-1, thousand-grain weight, yield and the contents of protein and oil in the grains. The results show that the variables were not influenced by the evaluated sources of N fertilization, but were significantly influenced by the split application of N, with the highest results obtained for the application of 1/3 at sowing and 2/3 as top-dressing (40 and 80 kg ha-1 of N).
publishDate 2015
dc.date.none.fl_str_mv 2015-11-01
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dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
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dc.identifier.uri.fl_str_mv http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662015001101042
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dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 10.1590/1807-1929/agriambi.v19n11p1042-1048
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dc.format.none.fl_str_mv text/html
dc.publisher.none.fl_str_mv Departamento de Engenharia Agrícola - UFCG
publisher.none.fl_str_mv Departamento de Engenharia Agrícola - UFCG
dc.source.none.fl_str_mv Revista Brasileira de Engenharia Agrícola e Ambiental v.19 n.11 2015
reponame:Revista Brasileira de Engenharia Agrícola e Ambiental (Online)
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