Nitrogen utilization efficiency by naturally colored cotton cultivars in semi-arid region
Autor(a) principal: | |
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Data de Publicação: | 2020 |
Outros Autores: | , , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Revista ciência agronômica (Online) |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902020000400401 |
Resumo: | ABSTRACT Knowledge on nitrogen (N) utilization efficiency in colored cotton enables the correct management of N fertilizers, optimizing yield and minimizing environmental degradation.The objective of this study was to evaluate the N utilization efficiency and to determine the accumulation of dry matter and N by naturally colored cotton cultivars subjected to N fertilization in the Brazilian semi-arid region.The experiment was carried out under field conditions, at the Farm of the Federal Rural University of the Semi-Arid, in 2016 and 2017. The experimental design was in randomized blocks with split plots and four replicates, randomizing five N doses (0; 50; 100; 150 and 200 kg ha-1) in the main plot and four colored cotton cultivars (BRS Safira, BRS Rubi, BRS Topázio and BRS Verde) in the subplots. Dry matter and N accumulations, agronomic, recovery, agrophysiological and physiological efficiencies in N utilization, and harvest index were evaluated. Cotton accumulates around 130 kg ha-1 of N along its cycle and directs 56.3% to seeds, 29% to leaves, 10.6% to stem and 3.8% to fibers. Nitrogen agronomic efficiency and recovery efficiency decrease with increased N doses. The cultivar BRS Topázio is the most responsive to N fertilization and the cultivar BRS Verde is the least responsive. |
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Nitrogen utilization efficiency by naturally colored cotton cultivars in semi-arid regionGossypium hirsutum L.Recovery efficiencyDry matter accumulationABSTRACT Knowledge on nitrogen (N) utilization efficiency in colored cotton enables the correct management of N fertilizers, optimizing yield and minimizing environmental degradation.The objective of this study was to evaluate the N utilization efficiency and to determine the accumulation of dry matter and N by naturally colored cotton cultivars subjected to N fertilization in the Brazilian semi-arid region.The experiment was carried out under field conditions, at the Farm of the Federal Rural University of the Semi-Arid, in 2016 and 2017. The experimental design was in randomized blocks with split plots and four replicates, randomizing five N doses (0; 50; 100; 150 and 200 kg ha-1) in the main plot and four colored cotton cultivars (BRS Safira, BRS Rubi, BRS Topázio and BRS Verde) in the subplots. Dry matter and N accumulations, agronomic, recovery, agrophysiological and physiological efficiencies in N utilization, and harvest index were evaluated. Cotton accumulates around 130 kg ha-1 of N along its cycle and directs 56.3% to seeds, 29% to leaves, 10.6% to stem and 3.8% to fibers. Nitrogen agronomic efficiency and recovery efficiency decrease with increased N doses. The cultivar BRS Topázio is the most responsive to N fertilization and the cultivar BRS Verde is the least responsive.Universidade Federal do Ceará2020-01-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902020000400401Revista Ciência Agronômica v.51 n.4 2020reponame:Revista ciência agronômica (Online)instname:Universidade Federal do Ceará (UFC)instacron:UFC10.5935/1806-6690.20200061info:eu-repo/semantics/openAccessTartaglia,Francilene de LimaSouza,Almir Rogerio Evangelista deSantos,Allysson Pereira dosBarros Júnior,Aurélio PaesSilveira,Lindomar Maria daSantos,Manoel Galdino doseng2020-10-13T00:00:00Zoai:scielo:S1806-66902020000400401Revistahttp://www.ccarevista.ufc.br/PUBhttps://old.scielo.br/oai/scielo-oai.php||alekdutra@ufc.br|| ccarev@ufc.br1806-66900045-6888opendoar:2020-10-13T00:00Revista ciência agronômica (Online) - Universidade Federal do Ceará (UFC)false |
dc.title.none.fl_str_mv |
Nitrogen utilization efficiency by naturally colored cotton cultivars in semi-arid region |
title |
Nitrogen utilization efficiency by naturally colored cotton cultivars in semi-arid region |
spellingShingle |
Nitrogen utilization efficiency by naturally colored cotton cultivars in semi-arid region Tartaglia,Francilene de Lima Gossypium hirsutum L. Recovery efficiency Dry matter accumulation |
title_short |
Nitrogen utilization efficiency by naturally colored cotton cultivars in semi-arid region |
title_full |
Nitrogen utilization efficiency by naturally colored cotton cultivars in semi-arid region |
title_fullStr |
Nitrogen utilization efficiency by naturally colored cotton cultivars in semi-arid region |
title_full_unstemmed |
Nitrogen utilization efficiency by naturally colored cotton cultivars in semi-arid region |
title_sort |
Nitrogen utilization efficiency by naturally colored cotton cultivars in semi-arid region |
author |
Tartaglia,Francilene de Lima |
author_facet |
Tartaglia,Francilene de Lima Souza,Almir Rogerio Evangelista de Santos,Allysson Pereira dos Barros Júnior,Aurélio Paes Silveira,Lindomar Maria da Santos,Manoel Galdino dos |
author_role |
author |
author2 |
Souza,Almir Rogerio Evangelista de Santos,Allysson Pereira dos Barros Júnior,Aurélio Paes Silveira,Lindomar Maria da Santos,Manoel Galdino dos |
author2_role |
author author author author author |
dc.contributor.author.fl_str_mv |
Tartaglia,Francilene de Lima Souza,Almir Rogerio Evangelista de Santos,Allysson Pereira dos Barros Júnior,Aurélio Paes Silveira,Lindomar Maria da Santos,Manoel Galdino dos |
dc.subject.por.fl_str_mv |
Gossypium hirsutum L. Recovery efficiency Dry matter accumulation |
topic |
Gossypium hirsutum L. Recovery efficiency Dry matter accumulation |
description |
ABSTRACT Knowledge on nitrogen (N) utilization efficiency in colored cotton enables the correct management of N fertilizers, optimizing yield and minimizing environmental degradation.The objective of this study was to evaluate the N utilization efficiency and to determine the accumulation of dry matter and N by naturally colored cotton cultivars subjected to N fertilization in the Brazilian semi-arid region.The experiment was carried out under field conditions, at the Farm of the Federal Rural University of the Semi-Arid, in 2016 and 2017. The experimental design was in randomized blocks with split plots and four replicates, randomizing five N doses (0; 50; 100; 150 and 200 kg ha-1) in the main plot and four colored cotton cultivars (BRS Safira, BRS Rubi, BRS Topázio and BRS Verde) in the subplots. Dry matter and N accumulations, agronomic, recovery, agrophysiological and physiological efficiencies in N utilization, and harvest index were evaluated. Cotton accumulates around 130 kg ha-1 of N along its cycle and directs 56.3% to seeds, 29% to leaves, 10.6% to stem and 3.8% to fibers. Nitrogen agronomic efficiency and recovery efficiency decrease with increased N doses. The cultivar BRS Topázio is the most responsive to N fertilization and the cultivar BRS Verde is the least responsive. |
publishDate |
2020 |
dc.date.none.fl_str_mv |
2020-01-01 |
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=S1806-66902020000400401 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902020000400401 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.5935/1806-6690.20200061 |
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 |
Universidade Federal do Ceará |
publisher.none.fl_str_mv |
Universidade Federal do Ceará |
dc.source.none.fl_str_mv |
Revista Ciência Agronômica v.51 n.4 2020 reponame:Revista ciência agronômica (Online) instname:Universidade Federal do Ceará (UFC) instacron:UFC |
instname_str |
Universidade Federal do Ceará (UFC) |
instacron_str |
UFC |
institution |
UFC |
reponame_str |
Revista ciência agronômica (Online) |
collection |
Revista ciência agronômica (Online) |
repository.name.fl_str_mv |
Revista ciência agronômica (Online) - Universidade Federal do Ceará (UFC) |
repository.mail.fl_str_mv |
||alekdutra@ufc.br|| ccarev@ufc.br |
_version_ |
1750297489886412800 |