1. Identificação | |
Tipo de Referência | Relatório (Report) |
Site | mtc-m12.sid.inpe.br |
Código do Detentor | isadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S |
Identificador | 6qtX3pFwXQZ3r59YD6/GLFas |
Repositório | sid.inpe.br/iris@1912/2005/07.16.00.14.21 |
Última Atualização | 2015:11.03.13.24.14 (UTC) marciana |
Repositório de Metadados | sid.inpe.br/iris@1912/2005/07.16.00.14.28 |
Última Atualização dos Metadados | 2021:02.24.02.57.44 (UTC) administrator |
Número do Relatório | INPE-1488-RPE/034 |
Rótulo | 165 |
Chave de Citação | ChenFons:1979:CoYiMo |
Título | Corn yield model for Ribeirão Preto, São Paulo State, Brazil |
Ano | 1979 |
Data de Acesso | 12 maio 2024 |
Tipo | RPQ |
Número de Páginas | 14 |
Número de Arquivos | 1 |
Tamanho | 343 KiB |
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2. Contextualização | |
Autor | 1 Chen, Sherry Chou 2 Fonseca, Lourdes Bernadete da |
Grupo | 1 DSR-INPE-BR |
Afiliação | 1 Instituto Nacional de Pesquisas Espaciais (INPE) 2 Instituto Nacional de Pesquisas Espaciais (INPE) |
Endereço de e-Mail | chouchen47@gmail.com |
Instituição | INPE |
Cidade | Sao Jose dos Campos |
Histórico (UTC) | 2005-07-16 00:14:29 :: administrator -> jefferson :: 2010-07-07 19:05:36 :: jefferson -> administrator :: 2012-10-12 00:44:57 :: administrator -> marciana :: 1979 2015-11-26 15:53:00 :: marciana -> administrator :: 1979 2021-02-24 02:57:44 :: administrator -> simone :: 1979 |
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3. Conteúdo e estrutura | |
É a matriz ou uma cópia? | é a matriz |
Estágio do Conteúdo | concluido |
Transferível | 1 |
Palavras-Chave | DIRA-Ribeirão Preto soil moisture corn yield model stepwise multiple regression |
Resumo | The weather and technology effects on corn (Zea mays L.) yield in the district of Ribeirão Preto were studied by a correlation analysis. The most important monthly meteorological factor affecting corn yield is total evaporation, which has significant correlation coefficients in five of the six study months. All meteorological factors used for analysis are significant in December, indicating that this is the critical month for corn production. Technology improvement during the period 1957 to 1975 also plays a significant role in corn yield and explains more than 45% of yield variation. The best yield-weather technology (YWT) model for corn yield prediction employs the summation of relative humidity from October to March, and technology trend as independent variables (predictors). The regression equation of the YWT model, based on the data period of 1957-1975, is relatively stable and the prediction errors range from 1.97% to 4.32% when extrapolating to independent test years after 1975. However, prediction accuracy of the - model for a current crop year may be improved by including all the available historic data to the preceding year of forecasting in calculating the regression coefficients. According to the test results, the predicted yield for 1979 is 2527.89 kg/ha, if the summation of relative humidity between October and March is equal to the average of the same term from 1957 to 1978. Each 1% increase or decrease from the average will result in a +- 17.18 kg/ha change in yield. The VWT model gives accurate com yield information and more importantly pre-dates the available official estimate by at least 3 months. |
Área | SRE |
Arranjo | urlib.net > BDMCI > Fonds > Produção anterior à 2021 > DIDSR > Corn yield model... |
Conteúdo da Pasta doc | acessar |
Conteúdo da Pasta source | publicacao.pdf | 16/09/2015 15:23 | 335.0 KiB | |
Conteúdo da Pasta agreement | |
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4. Condições de acesso e uso | |
URL dos dados | http://urlib.net/ibi/6qtX3pFwXQZ3r59YD6/GLFas |
URL dos dados zipados | http://urlib.net/zip/6qtX3pFwXQZ3r59YD6/GLFas |
Idioma | en |
Grupo de Usuários | administrator marciana |
Visibilidade | shown |
Licença de Direitos Autorais | urlib.net/www/2012/11.12.15.10 |
Detentor da Cópia | SID/SCD |
Permissão de Leitura | allow from all |
Permissão de Atualização | não transferida |
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5. Fontes relacionadas | |
Unidades Imediatamente Superiores | 8JMKD3MGPCW/3ER446E |
Acervo Hospedeiro | sid.inpe.br/banon/2001/04.06.10.52 |
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6. Notas | |
Campos Vazios | archivingpolicy archivist callnumber contenttype creatorhistory date descriptionlevel dissemination doi edition electronicmailaddress format isbn issn lineage mark mirrorrepository nextedition notes orcid parameterlist parentrepositories previousedition previouslowerunit progress project readergroup recipient resumeid rightsholder schedulinginformation secondarydate secondarykey secondarymark secondarytype session shorttitle sponsor subject targetfile tertiarymark tertiarytype translator url versiontype |
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7. Controle da descrição | |
e-Mail (login) | simone |
atualizar | |
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