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Biblioteca (s) : |
INIA La Estanzuela. |
Fecha : |
21/02/2014 |
Actualizado : |
28/12/2016 |
Autor : |
MGAP (MINISTERIO DE GANADERIA AGRICULTURA Y PESCA), URUGUAY; DIEA (DIRECCION DE ESTADISTICAS AGROPECUARIAS), URUGUAY; OPYPA (OFICINA DE PROGRAMACION Y POLITICA AGROPECUARIA), URUGUAY |
Título : |
Encuesta agrícola: cultivos de invierno, producción 96/97, intención de siembra 97/98: cultivos de verano, pronóstico de producción 96/97. |
Fecha de publicación : |
1997 |
Fuente / Imprenta : |
Montevideo (UY): DIEA, 1997. |
Páginas : |
23 p. |
Serie : |
(Boletín informativo. Serie encuestas; 186) |
Idioma : |
Español |
Palabras claves : |
CHACRAS. |
Thesagro : |
URUGUAY. |
Asunto categoría : |
F01 Cultivo |
Marc : |
LEADER 00708naa a2200181 a 4500 001 1047292 005 2016-12-28 008 1997 bl uuuu u00u1 u #d 100 1 $aMGAP (MINISTERIO DE GANADERIA AGRICULTURA Y PESCA), URUGUAY 245 $aEncuesta agrícola$bcultivos de invierno, producción 96/97, intención de siembra 97/98: cultivos de verano, pronóstico de producción 96/97. 260 $c1997 300 $a23 p. 490 $a(Boletín informativo. Serie encuestas; 186) 650 $aURUGUAY 653 $aCHACRAS 700 1 $aDIEA (DIRECCION DE ESTADISTICAS AGROPECUARIAS), URUGUAY 700 1 $aOPYPA (OFICINA DE PROGRAMACION Y POLITICA AGROPECUARIA), URUGUAY 773 $tMontevideo (UY): DIEA, 1997.
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Biblioteca (s) : |
INIA Las Brujas. |
Fecha actual : |
05/03/2021 |
Actualizado : |
05/03/2021 |
Tipo de producción científica : |
Artículos Indexados |
Autor : |
MILECH, C. G.; SCARIOTTO, S.; DINI, M.; HERTER, F. G.; RASEIRA, M. DO C. B. |
Afiliación : |
CHAIANE GOVEIA MILECH, Universidade Federal de Pelotas - UFPel; SILVIA SCARIOTTO, Empresa Brasileira de Pesquisa Agropecuária - EMBRAPA – Clima Temperado; MAXIMILIANO ANTONIO DINI VIÑOLY, Universidade Federal de Pelotas - UFPel; FLAVIO GILBERTO HERTER, Universidade Federal de Pelotas - UFPel; MARIA DO CARMO BASSOLS RASEIRA, Empresa Brasileira de Pesquisa Agropecuária - EMBRAPA – Clima Temperado. |
Título : |
Models to estimate chilling accumulation under subtropical climatic conditions in Brazil. [Modelos para estimar o acúmulo de frio sob condicoes de clima subtropical no Brasil.] |
Fecha de publicación : |
2018 |
Fuente / Imprenta : |
Revista Brasileira de Climatologia, 2018, v. 23, n. 14, p. 106-115. Doi: http://dx.doi.org/10.5380/abclima.v23i0.53086 |
ISSN : |
e-ISSN: 2237-8642 |
DOI : |
10.5380/abclima.v23i0.53086 |
Idioma : |
Portugués |
Contenido : |
ABSTRACT:
Chilling requirement is a characteristic that limits temperate fruit crops cultivation under a subtropical climate. Several mathematic models have been developed, differing on the relative value of chilling units, in order to estimate the chilling accumulation on a given site. The present work compared eight of these models using data from hourly temperatures from May to August, from a period of 11 years, collected in Pelotas, RS, Brazil, aiming to characterize the region regarding the chilling accumulation for the cultivation of deciduous fruit trees and to check if a model using average temperatures is suitable enough to be used when hourly temperatures were not available. The eight tested models were: Chilling Hours (?7.2°C); Chilling Hours (?11°C); Utah; Low Chill; Dynamic; Mean Temperatures; Positive Utah and Taiwan. The results showed large differences between years, regardless of the model used. However, the Taiwan and Low Chill models seemed more suitable for the estimation of the accumulation of cold in the Pelotas region. The Medium Temperatures model can be used as a valid option since it has a high correlation with the other models and easy data availability.
RESUMO.
Chilling requirement is a characteristic that limits temperate fruit crops cultivation under subtropical climate. Several mathematic models, differing on the relative value of chilling units have been developed, in order to estimate the chilling accumulation on a given site. The present work compared eight of these models using data from hourly temperatures from May to August, from a period of 11 years, collected in Pelotas, RS, Brazil, aiming to characterize the region regarding the chilling accumulation for the cultivation of deciduous fruit trees and it also had as objective to check if a model using average temperatures is suitable enough to be used when hourly temperatures were not available. The eight tested models were: Chilling Hours (≤7.2°C); Chilling Hours (≤11°C); Utah; Low Chill; Dynamic; Mean Temperatures; Positive Utah and Taiwan. The results showed large differences between years, regardless of the used model. However, the Taiwan and Low Chill models seemed more suitable for the estimation of the accumulation of cold in the Pelotas region. The Medium Temperatures model can be used as a valid option since it has a high correlation with the other models and easy data availability. MenosABSTRACT:
Chilling requirement is a characteristic that limits temperate fruit crops cultivation under a subtropical climate. Several mathematic models have been developed, differing on the relative value of chilling units, in order to estimate the chilling accumulation on a given site. The present work compared eight of these models using data from hourly temperatures from May to August, from a period of 11 years, collected in Pelotas, RS, Brazil, aiming to characterize the region regarding the chilling accumulation for the cultivation of deciduous fruit trees and to check if a model using average temperatures is suitable enough to be used when hourly temperatures were not available. The eight tested models were: Chilling Hours (?7.2°C); Chilling Hours (?11°C); Utah; Low Chill; Dynamic; Mean Temperatures; Positive Utah and Taiwan. The results showed large differences between years, regardless of the model used. However, the Taiwan and Low Chill models seemed more suitable for the estimation of the accumulation of cold in the Pelotas region. The Medium Temperatures model can be used as a valid option since it has a high correlation with the other models and easy data availability.
RESUMO.
Chilling requirement is a characteristic that limits temperate fruit crops cultivation under subtropical climate. Several mathematic models, differing on the relative value of chilling units have been developed, in order to estimate the chilling accumulation on a given site. The present w... Presentar Todo |
Palabras claves : |
Acumulo de frio; Chilling accumulation; Dormancy; Dormência; Frutíferas de clima temperado; Temperate fruits. |
Thesagro : |
FRUTAS DE CLIMA TEMPLADO. |
Asunto categoría : |
F01 Cultivo |
URL : |
http://www.ainfo.inia.uy/digital/bitstream/item/15272/1/Milech-et-al.-2018-Models-to-estimate-chilling-accumulation-under-RBClima.pdf
https://revistas.ufpr.br/revistaabclima/article/view/53086/36024
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Marc : |
LEADER 03428naa a2200277 a 4500 001 1061802 005 2021-03-05 008 2018 bl uuuu u00u1 u #d 022 $ae-ISSN: 2237-8642 024 7 $a10.5380/abclima.v23i0.53086$2DOI 100 1 $aMILECH, C. G. 245 $aModels to estimate chilling accumulation under subtropical climatic conditions in Brazil. [Modelos para estimar o acúmulo de frio sob condicoes de clima subtropical no Brasil.]$h[electronic resource] 260 $c2018 520 $aABSTRACT: Chilling requirement is a characteristic that limits temperate fruit crops cultivation under a subtropical climate. Several mathematic models have been developed, differing on the relative value of chilling units, in order to estimate the chilling accumulation on a given site. The present work compared eight of these models using data from hourly temperatures from May to August, from a period of 11 years, collected in Pelotas, RS, Brazil, aiming to characterize the region regarding the chilling accumulation for the cultivation of deciduous fruit trees and to check if a model using average temperatures is suitable enough to be used when hourly temperatures were not available. The eight tested models were: Chilling Hours (?7.2°C); Chilling Hours (?11°C); Utah; Low Chill; Dynamic; Mean Temperatures; Positive Utah and Taiwan. The results showed large differences between years, regardless of the model used. However, the Taiwan and Low Chill models seemed more suitable for the estimation of the accumulation of cold in the Pelotas region. The Medium Temperatures model can be used as a valid option since it has a high correlation with the other models and easy data availability. RESUMO. Chilling requirement is a characteristic that limits temperate fruit crops cultivation under subtropical climate. Several mathematic models, differing on the relative value of chilling units have been developed, in order to estimate the chilling accumulation on a given site. The present work compared eight of these models using data from hourly temperatures from May to August, from a period of 11 years, collected in Pelotas, RS, Brazil, aiming to characterize the region regarding the chilling accumulation for the cultivation of deciduous fruit trees and it also had as objective to check if a model using average temperatures is suitable enough to be used when hourly temperatures were not available. The eight tested models were: Chilling Hours (≤7.2°C); Chilling Hours (≤11°C); Utah; Low Chill; Dynamic; Mean Temperatures; Positive Utah and Taiwan. The results showed large differences between years, regardless of the used model. However, the Taiwan and Low Chill models seemed more suitable for the estimation of the accumulation of cold in the Pelotas region. The Medium Temperatures model can be used as a valid option since it has a high correlation with the other models and easy data availability. 650 $aFRUTAS DE CLIMA TEMPLADO 653 $aAcumulo de frio 653 $aChilling accumulation 653 $aDormancy 653 $aDormência 653 $aFrutíferas de clima temperado 653 $aTemperate fruits 700 1 $aSCARIOTTO, S. 700 1 $aDINI, M. 700 1 $aHERTER, F. G. 700 1 $aRASEIRA, M. DO C. B. 773 $tRevista Brasileira de Climatologia, 2018$gv. 23, n. 14, p. 106-115. Doi: http://dx.doi.org/10.5380/abclima.v23i0.53086
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