Economic analysis of corn inoculated with Azospirillum brasilense associated with nitrogen sources and doses
Autor(a) principal: | |
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Data de Publicação: | 2017 |
Outros Autores: | , , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Semina. Ciências Agrárias (Online) |
Texto Completo: | https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/26454 |
Resumo: | Azospirillum brasilense is a bacterium known for its biological nitrogen fixation (BNF) in corn crops. However, there is a lack of comprehensive research defining how much mineral N should be applied to maximize the efficiency of BNF and attain high, economically sustainable yields. Moreover, it would be interesting to investigate whether adding urea with NBPT urease inhibitor might increase BNF in grasses. Therefore, the aim of this study was to determine the effect of inoculation with Azospirillum brasilense associated with N sources and doses in a Cerrado biome soil by evaluating the grain yield of irrigated corn in economic terms. The experiment was conducted in Selvíria, MS, Brazil under a no-till system on a Latossolo Vermelho distrófico (Oxisol). The experiment was set up as a randomized block design with four replications in a 2 × 5 × 2 factorial arrangement consisting of two sources of N (urea and urea with NBPT urease enzyme inhibitor) and five N doses applied as top-dressing (0, 50, 100, 150, and 200 kg ha-1), with and without the inoculation of seeds with A. brasilense. Inoculation with Azospirillum brasilense makes corn growth much more profitable, irrespective of the dose and source of N. Addition of 200 kg ha-1 N in the form of conventional urea coupled with inoculation with Azospirillum brasilense increases grain yield; however, the highest economic return is obtained with N applied at 100 kg ha-1 with conventional urea and inoculation. |
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Economic analysis of corn inoculated with Azospirillum brasilense associated with nitrogen sources and dosesAnálise econômica do milho inoculado com Azospirillum brasilense associado a doses e fontes de nitrogênioFertilizer with improved efficiencyNitrogen fertilizationNo-tillage systemTotal operational costUreaZea mays.Adubação nitrogenadaCusto operacional totalFertilizante de eficiência aprimoradaSistema plantio diretoUreiaZea mays.Azospirillum brasilense is a bacterium known for its biological nitrogen fixation (BNF) in corn crops. However, there is a lack of comprehensive research defining how much mineral N should be applied to maximize the efficiency of BNF and attain high, economically sustainable yields. Moreover, it would be interesting to investigate whether adding urea with NBPT urease inhibitor might increase BNF in grasses. Therefore, the aim of this study was to determine the effect of inoculation with Azospirillum brasilense associated with N sources and doses in a Cerrado biome soil by evaluating the grain yield of irrigated corn in economic terms. The experiment was conducted in Selvíria, MS, Brazil under a no-till system on a Latossolo Vermelho distrófico (Oxisol). The experiment was set up as a randomized block design with four replications in a 2 × 5 × 2 factorial arrangement consisting of two sources of N (urea and urea with NBPT urease enzyme inhibitor) and five N doses applied as top-dressing (0, 50, 100, 150, and 200 kg ha-1), with and without the inoculation of seeds with A. brasilense. Inoculation with Azospirillum brasilense makes corn growth much more profitable, irrespective of the dose and source of N. Addition of 200 kg ha-1 N in the form of conventional urea coupled with inoculation with Azospirillum brasilense increases grain yield; however, the highest economic return is obtained with N applied at 100 kg ha-1 with conventional urea and inoculation.O Azospirillum brasilense se destaca na fixação biológica de nitrogênio (FBN) em cultivo de milho. Contudo, faltam maiores pesquisas para definição do quanto se pode aplicar de N mineral quanto à eficiência da FBN, para alcançar altas produtividades economicamente sustentáveis. Além disso, seria interessante analisar se a ureia com inibidor da enzima urease NBPT pode ser menos prejudicial, beneficiando a FBN em gramíneas. Sendo assim, objetivou-se estudar o efeito da inoculação com Azospirillum brasilense, associado às doses e fontes de N, em solo de Cerrado, avaliando economicamente a produtividade de grãos de milho irrigado. O experimento foi desenvolvido em Selvíria - MS, em sistema plantio direto, em Latossolo Vermelho distrófico. O delineamento experimental foi em blocos casualizados, com quatro repetições, dispostos em um esquema fatorial 2 x 5 x 2, sendo: duas fontes de N (ureia e ureia com inibidor da enzima urease NBPT); cinco doses de N em cobertura (0, 50, 100, 150 e 200 kg ha-1); com e sem inoculação das sementes com A. brasilense. A inoculação com Azospirillum brasilense torna o cultivo de milho mais lucrativo, independentemente da dose e fonte de N. A dose de 200 kg ha-1 de N na forma de ureia convencional associado à inoculação com Azospirillum brasilense proporciona maior produtividade de grãos, entretanto, o maior retorno econômico é obtido na dose de 100 kg ha-1 de N, com ureia convencional e inoculação.UEL2017-08-04info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionPesquisa Empírica de CampoPesquisa Empírica de Campoapplication/pdfhttps://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/2645410.5433/1679-0359.2017v38n4p1749Semina: Ciências Agrárias; Vol. 38 No. 4 (2017); 1749-1764Semina: Ciências Agrárias; v. 38 n. 4 (2017); 1749-17641679-03591676-546Xreponame:Semina. Ciências Agrárias (Online)instname:Universidade Estadual de Londrina (UEL)instacron:UELenghttps://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/26454/21354Copyright (c) 2017 Semina: Ciências Agráriashttp://creativecommons.org/licenses/by-nc/4.0info:eu-repo/semantics/openAccessGalindo, Fernando ShintateTeixeira Filho, Marcelo Carvalho MinhotoTarsitano, Maria Aparecida AnselmoBuzetti, SalatiérSantini, José Mateus KondoLudkiewicz, Mariana Gaioto ZiolkowskiAlves, Cleiton JoséArf, Orivaldo2022-10-24T12:12:07Zoai:ojs.pkp.sfu.ca:article/26454Revistahttp://www.uel.br/revistas/uel/index.php/semagrariasPUBhttps://ojs.uel.br/revistas/uel/index.php/semagrarias/oaisemina.agrarias@uel.br1679-03591676-546Xopendoar:2022-10-24T12:12:07Semina. Ciências Agrárias (Online) - Universidade Estadual de Londrina (UEL)false |
dc.title.none.fl_str_mv |
Economic analysis of corn inoculated with Azospirillum brasilense associated with nitrogen sources and doses Análise econômica do milho inoculado com Azospirillum brasilense associado a doses e fontes de nitrogênio |
title |
Economic analysis of corn inoculated with Azospirillum brasilense associated with nitrogen sources and doses |
spellingShingle |
Economic analysis of corn inoculated with Azospirillum brasilense associated with nitrogen sources and doses Galindo, Fernando Shintate Fertilizer with improved efficiency Nitrogen fertilization No-tillage system Total operational cost Urea Zea mays. Adubação nitrogenada Custo operacional total Fertilizante de eficiência aprimorada Sistema plantio direto Ureia Zea mays. |
title_short |
Economic analysis of corn inoculated with Azospirillum brasilense associated with nitrogen sources and doses |
title_full |
Economic analysis of corn inoculated with Azospirillum brasilense associated with nitrogen sources and doses |
title_fullStr |
Economic analysis of corn inoculated with Azospirillum brasilense associated with nitrogen sources and doses |
title_full_unstemmed |
Economic analysis of corn inoculated with Azospirillum brasilense associated with nitrogen sources and doses |
title_sort |
Economic analysis of corn inoculated with Azospirillum brasilense associated with nitrogen sources and doses |
author |
Galindo, Fernando Shintate |
author_facet |
Galindo, Fernando Shintate Teixeira Filho, Marcelo Carvalho Minhoto Tarsitano, Maria Aparecida Anselmo Buzetti, Salatiér Santini, José Mateus Kondo Ludkiewicz, Mariana Gaioto Ziolkowski Alves, Cleiton José Arf, Orivaldo |
author_role |
author |
author2 |
Teixeira Filho, Marcelo Carvalho Minhoto Tarsitano, Maria Aparecida Anselmo Buzetti, Salatiér Santini, José Mateus Kondo Ludkiewicz, Mariana Gaioto Ziolkowski Alves, Cleiton José Arf, Orivaldo |
author2_role |
author author author author author author author |
dc.contributor.author.fl_str_mv |
Galindo, Fernando Shintate Teixeira Filho, Marcelo Carvalho Minhoto Tarsitano, Maria Aparecida Anselmo Buzetti, Salatiér Santini, José Mateus Kondo Ludkiewicz, Mariana Gaioto Ziolkowski Alves, Cleiton José Arf, Orivaldo |
dc.subject.por.fl_str_mv |
Fertilizer with improved efficiency Nitrogen fertilization No-tillage system Total operational cost Urea Zea mays. Adubação nitrogenada Custo operacional total Fertilizante de eficiência aprimorada Sistema plantio direto Ureia Zea mays. |
topic |
Fertilizer with improved efficiency Nitrogen fertilization No-tillage system Total operational cost Urea Zea mays. Adubação nitrogenada Custo operacional total Fertilizante de eficiência aprimorada Sistema plantio direto Ureia Zea mays. |
description |
Azospirillum brasilense is a bacterium known for its biological nitrogen fixation (BNF) in corn crops. However, there is a lack of comprehensive research defining how much mineral N should be applied to maximize the efficiency of BNF and attain high, economically sustainable yields. Moreover, it would be interesting to investigate whether adding urea with NBPT urease inhibitor might increase BNF in grasses. Therefore, the aim of this study was to determine the effect of inoculation with Azospirillum brasilense associated with N sources and doses in a Cerrado biome soil by evaluating the grain yield of irrigated corn in economic terms. The experiment was conducted in Selvíria, MS, Brazil under a no-till system on a Latossolo Vermelho distrófico (Oxisol). The experiment was set up as a randomized block design with four replications in a 2 × 5 × 2 factorial arrangement consisting of two sources of N (urea and urea with NBPT urease enzyme inhibitor) and five N doses applied as top-dressing (0, 50, 100, 150, and 200 kg ha-1), with and without the inoculation of seeds with A. brasilense. Inoculation with Azospirillum brasilense makes corn growth much more profitable, irrespective of the dose and source of N. Addition of 200 kg ha-1 N in the form of conventional urea coupled with inoculation with Azospirillum brasilense increases grain yield; however, the highest economic return is obtained with N applied at 100 kg ha-1 with conventional urea and inoculation. |
publishDate |
2017 |
dc.date.none.fl_str_mv |
2017-08-04 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Pesquisa Empírica de Campo Pesquisa Empírica de Campo |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/26454 10.5433/1679-0359.2017v38n4p1749 |
url |
https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/26454 |
identifier_str_mv |
10.5433/1679-0359.2017v38n4p1749 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
https://ojs.uel.br/revistas/uel/index.php/semagrarias/article/view/26454/21354 |
dc.rights.driver.fl_str_mv |
Copyright (c) 2017 Semina: Ciências Agrárias http://creativecommons.org/licenses/by-nc/4.0 info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
Copyright (c) 2017 Semina: Ciências Agrárias http://creativecommons.org/licenses/by-nc/4.0 |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
UEL |
publisher.none.fl_str_mv |
UEL |
dc.source.none.fl_str_mv |
Semina: Ciências Agrárias; Vol. 38 No. 4 (2017); 1749-1764 Semina: Ciências Agrárias; v. 38 n. 4 (2017); 1749-1764 1679-0359 1676-546X reponame:Semina. Ciências Agrárias (Online) instname:Universidade Estadual de Londrina (UEL) instacron:UEL |
instname_str |
Universidade Estadual de Londrina (UEL) |
instacron_str |
UEL |
institution |
UEL |
reponame_str |
Semina. Ciências Agrárias (Online) |
collection |
Semina. Ciências Agrárias (Online) |
repository.name.fl_str_mv |
Semina. Ciências Agrárias (Online) - Universidade Estadual de Londrina (UEL) |
repository.mail.fl_str_mv |
semina.agrarias@uel.br |
_version_ |
1799306076410085376 |