EVALUATION OF NITROGEN DEFICIENCY IN THE BEAN PLANT USING A PORTABLE CHLOROHYLL METER
Autor(a) principal: | |
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Data de Publicação: | 2013 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | por |
Título da fonte: | Engenharia na Agricultura |
Texto Completo: | https://periodicos.ufv.br/reveng/article/view/287 |
Resumo: | Nitrogen is one of the main nutrients for the bean plant, and its deficiency is very common. Because nitrogen also participates in construction of chlorophyll molecules, evaluation of n deficiency in the plant may be determined by indirect measurement of the chlorophyll content. The objective of this study was to use a chlorophyll meter for the detection of nitrogen deficiency. The study included 5 treatments (0, 50, 100, 150 and 200 kg ha-1 of N), with 10 repetitions, summing 50 pots with 8 dm3 of soil material. Ten readings were performed per pot at 30, 40 and 50 dae (days after emergency). The simple linear regression coefficients and those of second order were significant for all the study periods of this work, however the lack-of-fit was also significant, except for the behavior of the values obtained at 50 dae. In general, the values obtained with the chlorophyll meter trended to increase with elevation of N and with the advance of the plant development stages, indicating the potential for using this equipment to differentiate the various doses of nitrogen applied. It was verified that the different nitrogen doses applied influenced the values measured by the chlorophyll meter. |
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Engenharia na Agricultura |
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EVALUATION OF NITROGEN DEFICIENCY IN THE BEAN PLANT USING A PORTABLE CHLOROHYLL METERAVALIAÇÃO DA DEFICIÊNCIA DE NITROGÊNIO NO FEIJOEIRO USANDO UM MEDIDOR PORTÁTIL DE CLOROFILAagricultura de precisãomanejo nutricional e Phaseolus vulgarisNitrogen is one of the main nutrients for the bean plant, and its deficiency is very common. Because nitrogen also participates in construction of chlorophyll molecules, evaluation of n deficiency in the plant may be determined by indirect measurement of the chlorophyll content. The objective of this study was to use a chlorophyll meter for the detection of nitrogen deficiency. The study included 5 treatments (0, 50, 100, 150 and 200 kg ha-1 of N), with 10 repetitions, summing 50 pots with 8 dm3 of soil material. Ten readings were performed per pot at 30, 40 and 50 dae (days after emergency). The simple linear regression coefficients and those of second order were significant for all the study periods of this work, however the lack-of-fit was also significant, except for the behavior of the values obtained at 50 dae. In general, the values obtained with the chlorophyll meter trended to increase with elevation of N and with the advance of the plant development stages, indicating the potential for using this equipment to differentiate the various doses of nitrogen applied. It was verified that the different nitrogen doses applied influenced the values measured by the chlorophyll meter.O nitrogênio (N) é um dos principais nutrientes para o feijoeiro, sendo sua deficiência bastante comum. Como o nitrogênio também participa da constituição da molécula de clorofila, a avaliação da deficiência de N pela planta pode ser determinada pela mensuração indireta do teor de clorofila. Este trabalho teve como objetivo avaliar a possibilidade de utilização do medidor de clorofila na determinação da deficiência de N. O trabalho teve 5 tratamentos (0, 50, 100, 150 e 200 kg ha-1 de N), com 10 repetições, totalizando 50 vasos com 8 dm³ de material de solo. Foram feitas 10 leituras por vaso aos 30, 40 e 50 DAE (dias após emergência). Os coeficientes de regressão linear simples e de segundo grau foram significativos para todas as épocas estudadas neste trabalho, entretanto, a falta de ajuste também foi significativa, exceto para o comportamento dos valores obtidos aos 50 DAE. De modo geral, os valores obtidos com o medidor de clorofila tenderam a aumentar com o acréscimo da quantidade de N aplicado e com o avanço do estádio de desenvolvimento da planta, indicando o potencial da utilização deste equipamento para discriminar as diferentes doses de nitrogênio aplicadas. Foi possível observar que as diferentes doses de nitrogênio aplicadas influenciaram os valores do medidor de clorofila.Universidade Federal de Viçosa - UFV2013-04-18info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://periodicos.ufv.br/reveng/article/view/28710.13083/reveng.v21i2.318Engineering in Agriculture; Vol. 21 No. 2 (2013); 122-128Revista Engenharia na Agricultura - REVENG; v. 21 n. 2 (2013); 122-1282175-68131414-398410.13083/reveng.v21i2reponame:Engenharia na Agriculturainstname:Universidade Federal de Viçosa (UFV)instacron:UFVporhttps://periodicos.ufv.br/reveng/article/view/287/215Baesso, Murilo MesquitaPinto, Francisco de Assis de CarvalhoQueiroz, Daniel Marçal deSantos, Nerilson TerraCarneiro, José Eustáquio de Souzainfo:eu-repo/semantics/openAccess2023-01-19T13:08:25Zoai:ojs.periodicos.ufv.br:article/287Revistahttps://periodicos.ufv.br/revengPUBhttps://periodicos.ufv.br/reveng/oairevistaengenharianagricultura@gmail.com||andrerosa@ufv.br||tramitacao.reveng@gmail.com|| reveng@ufv.br2175-68131414-3984opendoar:2023-01-19T13:08:25Engenharia na Agricultura - Universidade Federal de Viçosa (UFV)false |
dc.title.none.fl_str_mv |
EVALUATION OF NITROGEN DEFICIENCY IN THE BEAN PLANT USING A PORTABLE CHLOROHYLL METER AVALIAÇÃO DA DEFICIÊNCIA DE NITROGÊNIO NO FEIJOEIRO USANDO UM MEDIDOR PORTÁTIL DE CLOROFILA |
title |
EVALUATION OF NITROGEN DEFICIENCY IN THE BEAN PLANT USING A PORTABLE CHLOROHYLL METER |
spellingShingle |
EVALUATION OF NITROGEN DEFICIENCY IN THE BEAN PLANT USING A PORTABLE CHLOROHYLL METER Baesso, Murilo Mesquita agricultura de precisão manejo nutricional e Phaseolus vulgaris |
title_short |
EVALUATION OF NITROGEN DEFICIENCY IN THE BEAN PLANT USING A PORTABLE CHLOROHYLL METER |
title_full |
EVALUATION OF NITROGEN DEFICIENCY IN THE BEAN PLANT USING A PORTABLE CHLOROHYLL METER |
title_fullStr |
EVALUATION OF NITROGEN DEFICIENCY IN THE BEAN PLANT USING A PORTABLE CHLOROHYLL METER |
title_full_unstemmed |
EVALUATION OF NITROGEN DEFICIENCY IN THE BEAN PLANT USING A PORTABLE CHLOROHYLL METER |
title_sort |
EVALUATION OF NITROGEN DEFICIENCY IN THE BEAN PLANT USING A PORTABLE CHLOROHYLL METER |
author |
Baesso, Murilo Mesquita |
author_facet |
Baesso, Murilo Mesquita Pinto, Francisco de Assis de Carvalho Queiroz, Daniel Marçal de Santos, Nerilson Terra Carneiro, José Eustáquio de Souza |
author_role |
author |
author2 |
Pinto, Francisco de Assis de Carvalho Queiroz, Daniel Marçal de Santos, Nerilson Terra Carneiro, José Eustáquio de Souza |
author2_role |
author author author author |
dc.contributor.author.fl_str_mv |
Baesso, Murilo Mesquita Pinto, Francisco de Assis de Carvalho Queiroz, Daniel Marçal de Santos, Nerilson Terra Carneiro, José Eustáquio de Souza |
dc.subject.por.fl_str_mv |
agricultura de precisão manejo nutricional e Phaseolus vulgaris |
topic |
agricultura de precisão manejo nutricional e Phaseolus vulgaris |
description |
Nitrogen is one of the main nutrients for the bean plant, and its deficiency is very common. Because nitrogen also participates in construction of chlorophyll molecules, evaluation of n deficiency in the plant may be determined by indirect measurement of the chlorophyll content. The objective of this study was to use a chlorophyll meter for the detection of nitrogen deficiency. The study included 5 treatments (0, 50, 100, 150 and 200 kg ha-1 of N), with 10 repetitions, summing 50 pots with 8 dm3 of soil material. Ten readings were performed per pot at 30, 40 and 50 dae (days after emergency). The simple linear regression coefficients and those of second order were significant for all the study periods of this work, however the lack-of-fit was also significant, except for the behavior of the values obtained at 50 dae. In general, the values obtained with the chlorophyll meter trended to increase with elevation of N and with the advance of the plant development stages, indicating the potential for using this equipment to differentiate the various doses of nitrogen applied. It was verified that the different nitrogen doses applied influenced the values measured by the chlorophyll meter. |
publishDate |
2013 |
dc.date.none.fl_str_mv |
2013-04-18 |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
https://periodicos.ufv.br/reveng/article/view/287 10.13083/reveng.v21i2.318 |
url |
https://periodicos.ufv.br/reveng/article/view/287 |
identifier_str_mv |
10.13083/reveng.v21i2.318 |
dc.language.iso.fl_str_mv |
por |
language |
por |
dc.relation.none.fl_str_mv |
https://periodicos.ufv.br/reveng/article/view/287/215 |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
application/pdf |
dc.publisher.none.fl_str_mv |
Universidade Federal de Viçosa - UFV |
publisher.none.fl_str_mv |
Universidade Federal de Viçosa - UFV |
dc.source.none.fl_str_mv |
Engineering in Agriculture; Vol. 21 No. 2 (2013); 122-128 Revista Engenharia na Agricultura - REVENG; v. 21 n. 2 (2013); 122-128 2175-6813 1414-3984 10.13083/reveng.v21i2 reponame:Engenharia na Agricultura instname:Universidade Federal de Viçosa (UFV) instacron:UFV |
instname_str |
Universidade Federal de Viçosa (UFV) |
instacron_str |
UFV |
institution |
UFV |
reponame_str |
Engenharia na Agricultura |
collection |
Engenharia na Agricultura |
repository.name.fl_str_mv |
Engenharia na Agricultura - Universidade Federal de Viçosa (UFV) |
repository.mail.fl_str_mv |
revistaengenharianagricultura@gmail.com||andrerosa@ufv.br||tramitacao.reveng@gmail.com|| reveng@ufv.br |
_version_ |
1800211145005465600 |