Ammonia volatilization and yield components after application of polymer-coated urea to maize
Autor(a) principal: | |
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Data de Publicação: | 2014 |
Outros Autores: | , , , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Revista Brasileira de Ciência do Solo (Online) |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832014000400016 |
Resumo: | A form of increasing the efficiency of N fertilizer is by coating urea with polymers to reduce ammonia volatilization. The aim of this study was to evaluate the effect of polymer-coated urea on the control of ammonia volatilization, yield and nutritional characteristics of maize. The experiment was carried out during one maize growing cycle in 2009/10 on a Geric Ferralsol, inUberlândia, MG, Brazil. Nitrogen fertilizers were applied as topdressing on the soil surface in the following urea treatments: polymer-coated urea at rates of 45, 67.5 and 90 kg ha-1 N and one control treatment (no N), in randomized blocks with four replications. Nitrogen application had a favorable effect on N concentrations in leaves and grains, Soil Plant Analysis Development (SPAD) chlorophyll meter readings and on grain yield, where as coated urea had no effect on the volatilization rates, SPAD readings and N leaf and grain concentration, nor on grain yield in comparison to conventional fertilization. |
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Ammonia volatilization and yield components after application of polymer-coated urea to maizenitrogenpolymer-coated ureaN fertilizerammonia volatilizationZea maysSPAD readingA form of increasing the efficiency of N fertilizer is by coating urea with polymers to reduce ammonia volatilization. The aim of this study was to evaluate the effect of polymer-coated urea on the control of ammonia volatilization, yield and nutritional characteristics of maize. The experiment was carried out during one maize growing cycle in 2009/10 on a Geric Ferralsol, inUberlândia, MG, Brazil. Nitrogen fertilizers were applied as topdressing on the soil surface in the following urea treatments: polymer-coated urea at rates of 45, 67.5 and 90 kg ha-1 N and one control treatment (no N), in randomized blocks with four replications. Nitrogen application had a favorable effect on N concentrations in leaves and grains, Soil Plant Analysis Development (SPAD) chlorophyll meter readings and on grain yield, where as coated urea had no effect on the volatilization rates, SPAD readings and N leaf and grain concentration, nor on grain yield in comparison to conventional fertilization.Sociedade Brasileira de Ciência do Solo2014-08-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832014000400016Revista Brasileira de Ciência do Solo v.38 n.4 2014reponame:Revista Brasileira de Ciência do Solo (Online)instname:Sociedade Brasileira de Ciência do Solo (SBCS)instacron:SBCS10.1590/S0100-06832014000400016info:eu-repo/semantics/openAccessZavaschi,EduardoFaria,Letícia de AbreuVitti,Godofredo CesarNascimento,Carlos Antonio da CostaMoura,Thiago Augusto deVale,Diego Wyllyam doMendes,Fernanda LatanzeKamogawa,Marcos Yassuoeng2014-10-02T00:00:00Zoai:scielo:S0100-06832014000400016Revistahttp://www.scielo.br/scielo.php?script=sci_serial&pid=0100-0683&lng=es&nrm=isohttps://old.scielo.br/oai/scielo-oai.php||sbcs@ufv.br1806-96570100-0683opendoar:2014-10-02T00:00Revista Brasileira de Ciência do Solo (Online) - Sociedade Brasileira de Ciência do Solo (SBCS)false |
dc.title.none.fl_str_mv |
Ammonia volatilization and yield components after application of polymer-coated urea to maize |
title |
Ammonia volatilization and yield components after application of polymer-coated urea to maize |
spellingShingle |
Ammonia volatilization and yield components after application of polymer-coated urea to maize Zavaschi,Eduardo nitrogen polymer-coated urea N fertilizer ammonia volatilization Zea mays SPAD reading |
title_short |
Ammonia volatilization and yield components after application of polymer-coated urea to maize |
title_full |
Ammonia volatilization and yield components after application of polymer-coated urea to maize |
title_fullStr |
Ammonia volatilization and yield components after application of polymer-coated urea to maize |
title_full_unstemmed |
Ammonia volatilization and yield components after application of polymer-coated urea to maize |
title_sort |
Ammonia volatilization and yield components after application of polymer-coated urea to maize |
author |
Zavaschi,Eduardo |
author_facet |
Zavaschi,Eduardo Faria,Letícia de Abreu Vitti,Godofredo Cesar Nascimento,Carlos Antonio da Costa Moura,Thiago Augusto de Vale,Diego Wyllyam do Mendes,Fernanda Latanze Kamogawa,Marcos Yassuo |
author_role |
author |
author2 |
Faria,Letícia de Abreu Vitti,Godofredo Cesar Nascimento,Carlos Antonio da Costa Moura,Thiago Augusto de Vale,Diego Wyllyam do Mendes,Fernanda Latanze Kamogawa,Marcos Yassuo |
author2_role |
author author author author author author author |
dc.contributor.author.fl_str_mv |
Zavaschi,Eduardo Faria,Letícia de Abreu Vitti,Godofredo Cesar Nascimento,Carlos Antonio da Costa Moura,Thiago Augusto de Vale,Diego Wyllyam do Mendes,Fernanda Latanze Kamogawa,Marcos Yassuo |
dc.subject.por.fl_str_mv |
nitrogen polymer-coated urea N fertilizer ammonia volatilization Zea mays SPAD reading |
topic |
nitrogen polymer-coated urea N fertilizer ammonia volatilization Zea mays SPAD reading |
description |
A form of increasing the efficiency of N fertilizer is by coating urea with polymers to reduce ammonia volatilization. The aim of this study was to evaluate the effect of polymer-coated urea on the control of ammonia volatilization, yield and nutritional characteristics of maize. The experiment was carried out during one maize growing cycle in 2009/10 on a Geric Ferralsol, inUberlândia, MG, Brazil. Nitrogen fertilizers were applied as topdressing on the soil surface in the following urea treatments: polymer-coated urea at rates of 45, 67.5 and 90 kg ha-1 N and one control treatment (no N), in randomized blocks with four replications. Nitrogen application had a favorable effect on N concentrations in leaves and grains, Soil Plant Analysis Development (SPAD) chlorophyll meter readings and on grain yield, where as coated urea had no effect on the volatilization rates, SPAD readings and N leaf and grain concentration, nor on grain yield in comparison to conventional fertilization. |
publishDate |
2014 |
dc.date.none.fl_str_mv |
2014-08-01 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832014000400016 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S0100-06832014000400016 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.1590/S0100-06832014000400016 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
text/html |
dc.publisher.none.fl_str_mv |
Sociedade Brasileira de Ciência do Solo |
publisher.none.fl_str_mv |
Sociedade Brasileira de Ciência do Solo |
dc.source.none.fl_str_mv |
Revista Brasileira de Ciência do Solo v.38 n.4 2014 reponame:Revista Brasileira de Ciência do Solo (Online) instname:Sociedade Brasileira de Ciência do Solo (SBCS) instacron:SBCS |
instname_str |
Sociedade Brasileira de Ciência do Solo (SBCS) |
instacron_str |
SBCS |
institution |
SBCS |
reponame_str |
Revista Brasileira de Ciência do Solo (Online) |
collection |
Revista Brasileira de Ciência do Solo (Online) |
repository.name.fl_str_mv |
Revista Brasileira de Ciência do Solo (Online) - Sociedade Brasileira de Ciência do Solo (SBCS) |
repository.mail.fl_str_mv |
||sbcs@ufv.br |
_version_ |
1752126519813079040 |