DRIS indices in three phenological stages of the carrot crop
Main Author: | |
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Publication Date: | 2017 |
Other Authors: | , , , |
Format: | Article |
Language: | eng |
Source: | Pesquisa Agropecuária Tropical (Online) |
Download full: | https://revistas.ufg.br/pat/article/view/42449 |
Summary: | Carrot is one of the most consumed vegetables in Brazil, where the cultivars currently grown present a high yield potential and nutritional demand, which require constant adjustments in fertilization programs for the crop. This study aimed at determining reference values and diagnostic indices by using the DRIS method in three phenological stages of the carrot crop (around 40 and 70 days after sowing and at harvest), as well as evaluating the possibility of early diagnosis for nutritional limitations. For determining the DRIS norms, a database was obtained from leaf samplings, root yields and leaf contents of N, P, K, Ca, Mg, S, B, Cu, Mn and Zn, in carrot commercial fields. The nutritional limitation order was generated as a function of the fertilization response and optimum range of leaf contents. The reference values for K, Ca, Mg, S and Mn were similar in all sampling times. N, P, B, Cu and Zn varied with the stages sampled, indicating the need to standardize the sampling times for these nutrients. Mn, K and Mg were the most limiting nutrients for the crop growth, while Zn and B were the least limiting. There was a correlation between the diagnoses performed at early stages and those performed at harvest for K, Ca, Mg, S and Mn, indicating the possibility of early diagnosis for the deficiency of these nutrients. |
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DRIS indices in three phenological stages of the carrot cropÍndices DRIS em três fases fenológicas da cultura da cenouraDaucus carota L.early diagnosisnutritional limitation.Daucus carota L.diagnose antecipadalimitação nutricional.Carrot is one of the most consumed vegetables in Brazil, where the cultivars currently grown present a high yield potential and nutritional demand, which require constant adjustments in fertilization programs for the crop. This study aimed at determining reference values and diagnostic indices by using the DRIS method in three phenological stages of the carrot crop (around 40 and 70 days after sowing and at harvest), as well as evaluating the possibility of early diagnosis for nutritional limitations. For determining the DRIS norms, a database was obtained from leaf samplings, root yields and leaf contents of N, P, K, Ca, Mg, S, B, Cu, Mn and Zn, in carrot commercial fields. The nutritional limitation order was generated as a function of the fertilization response and optimum range of leaf contents. The reference values for K, Ca, Mg, S and Mn were similar in all sampling times. N, P, B, Cu and Zn varied with the stages sampled, indicating the need to standardize the sampling times for these nutrients. Mn, K and Mg were the most limiting nutrients for the crop growth, while Zn and B were the least limiting. There was a correlation between the diagnoses performed at early stages and those performed at harvest for K, Ca, Mg, S and Mn, indicating the possibility of early diagnosis for the deficiency of these nutrients.A cenoura está entre as principais olerícolas consumidas no Brasil, onde as cultivares utilizadas atualmente apresentam elevado potencial produtivo e demanda nutricional, o que exige constantes ajustes dos programas de fertilização da cultura. Objetivou-se determinar valores de referência e índices diagnósticos pelo método DRIS para três fases fenológicas da cultura da cenoura (cerca de 40 e 70 dias após a semeadura e na colheita), bem como verificar a possibilidade de diagnose precoce de limitação nutricional. Para determinação das normas DRIS, obteve-se um banco de dados a partir da amostragem de folhas, produtividade de raízes e teores foliares de N, P, K, Ca, Mg, S, B, Cu, Mn e Zn, em lavouras comerciais de cenoura. A ordem de limitação nutricional foi gerada em função do potencial de resposta à adubação e da faixa ótima dos teores foliares. Os valores referência de K, Ca, Mg, S e Mn mostraram-se semelhantes em todas épocas de amostragem. Os de N, P, B, Cu e Zn variaram, reforçando a ideia de padronização da época de amostragem para esses nutrientes. O Mn, K e Mg foram os nutrientes mais limitantes por deficiência, enquanto Zn e B foram os menos limitantes. Para K, Ca, Mg, S e Mn, há concordância entre a diagnose realizada nas fases precoces e a efetuada na colheita, o que indica possibilidade de diagnose precoce da limitação desses nutrientes.Escola de Agronomia - Universidade Federal de Goiás2017-03-10info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionAvaliado por paresapplication/pdfhttps://revistas.ufg.br/pat/article/view/42449Pesquisa Agropecuária Tropical [Agricultural Research in the Tropics]; v. 47, n. 1, Jan./Mar. 2017; 31-40Pesquisa Agropecuária Tropical (Agricultural Research in the Tropics); v. 47, n. 1, jan./mar. 2017; 31-40Pesquisa Agropecuária Tropical; v. 47, n. 1, jan./mar. 2017; 31-401983-4063reponame:Pesquisa Agropecuária Tropical (Online)instname:Universidade Federal de Goiás (UFG)instacron:UFGenghttps://revistas.ufg.br/pat/article/view/42449/22580Copyright (c) 2017 Pesquisa Agropecuária Tropical (Agricultural Research in the Tropics)info:eu-repo/semantics/openAccessGonçalves, Felipe Augusto Reisde Aquino, Leonardo AngeloDezordi, Luciel RauniClemente, Junia MariaNovais, Roberto Ferreira2020-07-13T18:26:20Zoai:ojs.revistas.ufg.br:article/42449Revistahttps://revistas.ufg.br/patPUBhttps://revistas.ufg.br/pat/oaiaseleguini.pat@gmail.com||mgoes@agro.ufg.br1983-40631517-6398opendoar:2020-07-13T18:26:20Pesquisa Agropecuária Tropical (Online) - Universidade Federal de Goiás (UFG)false |
dc.title.none.fl_str_mv |
DRIS indices in three phenological stages of the carrot crop Índices DRIS em três fases fenológicas da cultura da cenoura |
title |
DRIS indices in three phenological stages of the carrot crop |
spellingShingle |
DRIS indices in three phenological stages of the carrot crop Gonçalves, Felipe Augusto Reis Daucus carota L. early diagnosis nutritional limitation. Daucus carota L. diagnose antecipada limitação nutricional. |
title_short |
DRIS indices in three phenological stages of the carrot crop |
title_full |
DRIS indices in three phenological stages of the carrot crop |
title_fullStr |
DRIS indices in three phenological stages of the carrot crop |
title_full_unstemmed |
DRIS indices in three phenological stages of the carrot crop |
title_sort |
DRIS indices in three phenological stages of the carrot crop |
author |
Gonçalves, Felipe Augusto Reis |
author_facet |
Gonçalves, Felipe Augusto Reis de Aquino, Leonardo Angelo Dezordi, Luciel Rauni Clemente, Junia Maria Novais, Roberto Ferreira |
author_role |
author |
author2 |
de Aquino, Leonardo Angelo Dezordi, Luciel Rauni Clemente, Junia Maria Novais, Roberto Ferreira |
author2_role |
author author author author |
dc.contributor.author.fl_str_mv |
Gonçalves, Felipe Augusto Reis de Aquino, Leonardo Angelo Dezordi, Luciel Rauni Clemente, Junia Maria Novais, Roberto Ferreira |
dc.subject.por.fl_str_mv |
Daucus carota L. early diagnosis nutritional limitation. Daucus carota L. diagnose antecipada limitação nutricional. |
topic |
Daucus carota L. early diagnosis nutritional limitation. Daucus carota L. diagnose antecipada limitação nutricional. |
description |
Carrot is one of the most consumed vegetables in Brazil, where the cultivars currently grown present a high yield potential and nutritional demand, which require constant adjustments in fertilization programs for the crop. This study aimed at determining reference values and diagnostic indices by using the DRIS method in three phenological stages of the carrot crop (around 40 and 70 days after sowing and at harvest), as well as evaluating the possibility of early diagnosis for nutritional limitations. For determining the DRIS norms, a database was obtained from leaf samplings, root yields and leaf contents of N, P, K, Ca, Mg, S, B, Cu, Mn and Zn, in carrot commercial fields. The nutritional limitation order was generated as a function of the fertilization response and optimum range of leaf contents. The reference values for K, Ca, Mg, S and Mn were similar in all sampling times. N, P, B, Cu and Zn varied with the stages sampled, indicating the need to standardize the sampling times for these nutrients. Mn, K and Mg were the most limiting nutrients for the crop growth, while Zn and B were the least limiting. There was a correlation between the diagnoses performed at early stages and those performed at harvest for K, Ca, Mg, S and Mn, indicating the possibility of early diagnosis for the deficiency of these nutrients. |
publishDate |
2017 |
dc.date.none.fl_str_mv |
2017-03-10 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion Avaliado por pares |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://revistas.ufg.br/pat/article/view/42449 |
url |
https://revistas.ufg.br/pat/article/view/42449 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
https://revistas.ufg.br/pat/article/view/42449/22580 |
dc.rights.driver.fl_str_mv |
Copyright (c) 2017 Pesquisa Agropecuária Tropical (Agricultural Research in the Tropics) info:eu-repo/semantics/openAccess |
rights_invalid_str_mv |
Copyright (c) 2017 Pesquisa Agropecuária Tropical (Agricultural Research in the Tropics) |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Escola de Agronomia - Universidade Federal de Goiás |
publisher.none.fl_str_mv |
Escola de Agronomia - Universidade Federal de Goiás |
dc.source.none.fl_str_mv |
Pesquisa Agropecuária Tropical [Agricultural Research in the Tropics]; v. 47, n. 1, Jan./Mar. 2017; 31-40 Pesquisa Agropecuária Tropical (Agricultural Research in the Tropics); v. 47, n. 1, jan./mar. 2017; 31-40 Pesquisa Agropecuária Tropical; v. 47, n. 1, jan./mar. 2017; 31-40 1983-4063 reponame:Pesquisa Agropecuária Tropical (Online) instname:Universidade Federal de Goiás (UFG) instacron:UFG |
instname_str |
Universidade Federal de Goiás (UFG) |
instacron_str |
UFG |
institution |
UFG |
reponame_str |
Pesquisa Agropecuária Tropical (Online) |
collection |
Pesquisa Agropecuária Tropical (Online) |
repository.name.fl_str_mv |
Pesquisa Agropecuária Tropical (Online) - Universidade Federal de Goiás (UFG) |
repository.mail.fl_str_mv |
aseleguini.pat@gmail.com||mgoes@agro.ufg.br |
_version_ |
1789440242276630528 |