Computer model for simulate the occurrence of sequence of dry spells and decrease of crop yield

Detalhes bibliográficos
Autor(a) principal: Antônio Veronez de Sousa, Sérgio
Data de Publicação: 1998
Outros Autores: Curi Peres, Fernando
Tipo de documento: Artigo
Idioma: por
Título da fonte: Pesquisa Agropecuária Brasileira (Online)
Texto Completo: https://seer.sct.embrapa.br/index.php/pab/article/view/5032
Resumo: A computational model was written in "Turbo Pascal for Windows", aiming to simulate, using Monte Carlo's method, the occurrence of sequences of dry spells during the cropping season and the consequent decrease in yield for a given crop. The simulation was based on series of frequency of sequence of dry-spell periods and evapotranspiration. Valuation of the model was accomplished for corn production in the region of Piracicaba, SP, Brazil, for two different crop periods: normal cropping season and cropping during the fall season ("safrinha"). Results show that in the normal cropping season the probability of substantial amount of lost is small. When cropping corn in Piracicaba is done during the fall season, probabilities of occurring substantial losses are higher. For both cropping periods, decreasing in yield is higher when dry spells happen during flowering stage, followed by the grain filling period.
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spelling Computer model for simulate the occurrence of sequence of dry spells and decrease of crop yieldPrograma computacional para simulação da ocorrência de veranicos e queda de rendimentoMonte Carlo method; planning of irrigationmétodo Monte Carlo; planejamento da irrigaçãoA computational model was written in "Turbo Pascal for Windows", aiming to simulate, using Monte Carlo's method, the occurrence of sequences of dry spells during the cropping season and the consequent decrease in yield for a given crop. The simulation was based on series of frequency of sequence of dry-spell periods and evapotranspiration. Valuation of the model was accomplished for corn production in the region of Piracicaba, SP, Brazil, for two different crop periods: normal cropping season and cropping during the fall season ("safrinha"). Results show that in the normal cropping season the probability of substantial amount of lost is small. When cropping corn in Piracicaba is done during the fall season, probabilities of occurring substantial losses are higher. For both cropping periods, decreasing in yield is higher when dry spells happen during flowering stage, followed by the grain filling period.No trabalho desenvolveu-se um modelo computacional em linguagem "Turbo Pascal for Windows", usando o método Monte Carlo, com o objetivo de simular a ocorrência de veranicos e a queda de rendimento decorrente deles, em determinada cultura. A simulação foi baseada em uma série histórica de sequência de dias secos (veranicos) e evapotranspiração diária. Na avaliação do modelo, foi estudada a probabilidade de ocorrência de veranicos e a queda de rendimento de milho em dois períodos de cultivo na região de Piracicaba, verão e período da safrinha. No período de verão, a probabilidade de ocorrência de grandes perdas foi pequena. No período da safrinha, são maiores as probabilidades de ocorrência de veranicos mais intensos, os quais causam maiores perdas. Nos dois períodos estudados, a queda de rendimento decorrida dos veranicos é mais acentuada quando estes ocorrem no período de floração, seguido do período de enchimento de grãos.Pesquisa Agropecuaria BrasileiraPesquisa Agropecuária BrasileiraAntônio Veronez de Sousa, SérgioCuri Peres, Fernando1998-12-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersionapplication/pdfhttps://seer.sct.embrapa.br/index.php/pab/article/view/5032Pesquisa Agropecuaria Brasileira; v.33, n.12, dez. 1998; 1951-1956Pesquisa Agropecuária Brasileira; v.33, n.12, dez. 1998; 1951-19561678-39210100-104xreponame:Pesquisa Agropecuária Brasileira (Online)instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa)instacron:EMBRAPAporhttps://seer.sct.embrapa.br/index.php/pab/article/view/5032/7174info:eu-repo/semantics/openAccess2014-12-12T16:26:06Zoai:ojs.seer.sct.embrapa.br:article/5032Revistahttp://seer.sct.embrapa.br/index.php/pabPRIhttps://old.scielo.br/oai/scielo-oai.phppab@sct.embrapa.br || sct.pab@embrapa.br1678-39210100-204Xopendoar:2014-12-12T16:26:06Pesquisa Agropecuária Brasileira (Online) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa)false
dc.title.none.fl_str_mv Computer model for simulate the occurrence of sequence of dry spells and decrease of crop yield
Programa computacional para simulação da ocorrência de veranicos e queda de rendimento
title Computer model for simulate the occurrence of sequence of dry spells and decrease of crop yield
spellingShingle Computer model for simulate the occurrence of sequence of dry spells and decrease of crop yield
Antônio Veronez de Sousa, Sérgio
Monte Carlo method; planning of irrigation
método Monte Carlo; planejamento da irrigação
title_short Computer model for simulate the occurrence of sequence of dry spells and decrease of crop yield
title_full Computer model for simulate the occurrence of sequence of dry spells and decrease of crop yield
title_fullStr Computer model for simulate the occurrence of sequence of dry spells and decrease of crop yield
title_full_unstemmed Computer model for simulate the occurrence of sequence of dry spells and decrease of crop yield
title_sort Computer model for simulate the occurrence of sequence of dry spells and decrease of crop yield
author Antônio Veronez de Sousa, Sérgio
author_facet Antônio Veronez de Sousa, Sérgio
Curi Peres, Fernando
author_role author
author2 Curi Peres, Fernando
author2_role author
dc.contributor.none.fl_str_mv

dc.contributor.author.fl_str_mv Antônio Veronez de Sousa, Sérgio
Curi Peres, Fernando
dc.subject.por.fl_str_mv Monte Carlo method; planning of irrigation
método Monte Carlo; planejamento da irrigação
topic Monte Carlo method; planning of irrigation
método Monte Carlo; planejamento da irrigação
description A computational model was written in "Turbo Pascal for Windows", aiming to simulate, using Monte Carlo's method, the occurrence of sequences of dry spells during the cropping season and the consequent decrease in yield for a given crop. The simulation was based on series of frequency of sequence of dry-spell periods and evapotranspiration. Valuation of the model was accomplished for corn production in the region of Piracicaba, SP, Brazil, for two different crop periods: normal cropping season and cropping during the fall season ("safrinha"). Results show that in the normal cropping season the probability of substantial amount of lost is small. When cropping corn in Piracicaba is done during the fall season, probabilities of occurring substantial losses are higher. For both cropping periods, decreasing in yield is higher when dry spells happen during flowering stage, followed by the grain filling period.
publishDate 1998
dc.date.none.fl_str_mv 1998-12-01
dc.type.none.fl_str_mv
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://seer.sct.embrapa.br/index.php/pab/article/view/5032
url https://seer.sct.embrapa.br/index.php/pab/article/view/5032
dc.language.iso.fl_str_mv por
language por
dc.relation.none.fl_str_mv https://seer.sct.embrapa.br/index.php/pab/article/view/5032/7174
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 Pesquisa Agropecuaria Brasileira
Pesquisa Agropecuária Brasileira
publisher.none.fl_str_mv Pesquisa Agropecuaria Brasileira
Pesquisa Agropecuária Brasileira
dc.source.none.fl_str_mv Pesquisa Agropecuaria Brasileira; v.33, n.12, dez. 1998; 1951-1956
Pesquisa Agropecuária Brasileira; v.33, n.12, dez. 1998; 1951-1956
1678-3921
0100-104x
reponame:Pesquisa Agropecuária Brasileira (Online)
instname:Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
instacron:EMBRAPA
instname_str Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
instacron_str EMBRAPA
institution EMBRAPA
reponame_str Pesquisa Agropecuária Brasileira (Online)
collection Pesquisa Agropecuária Brasileira (Online)
repository.name.fl_str_mv Pesquisa Agropecuária Brasileira (Online) - Empresa Brasileira de Pesquisa Agropecuária (Embrapa)
repository.mail.fl_str_mv pab@sct.embrapa.br || sct.pab@embrapa.br
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