2012
DOI: 10.1590/s0100-69162012000200009
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Modelagem para a estimativa da orientação de linhas de plantio de cafeeiros

Abstract: RESUMO:A quantidade de radiação solar interceptada por uma cultura é uma importante variável meteorológica que determina o crescimento e o desenvolvimento de uma cultura agrícola e, dentre os sistemas de produção, a orientação das linhas de plantio poderá ser um componente bastante relevante quanto à interceptação da radiação solar direta (Rd) em ambas as faces. Portanto, este trabalho propõe como objetivo um modelo para recomendar a orientação adequada das linhas de cafeeiro na implantação, baseando-se naquel… Show more

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Cited by 9 publications
(6 citation statements)
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References 15 publications
(11 reference statements)
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“…In studies by Freitas et al [30], the influence of local temperature environmental conditions of the cultivation area on the diameter of the crown of coffee cultivars was also observed. The weather conditions that strongly affect the development of Arabica coffee have also been verified in works by Aparecido et al [31], Oliveira et al [32], and Camargo [33]. In this study, the Bourbon cultivar presented a larger crown diameter (0.94 m), followed by the cultivars Catucaí (0.82 m) and Catuaí (0.79 m), respectively.…”
Section: Temporal Characterizationsupporting
confidence: 82%
“…In studies by Freitas et al [30], the influence of local temperature environmental conditions of the cultivation area on the diameter of the crown of coffee cultivars was also observed. The weather conditions that strongly affect the development of Arabica coffee have also been verified in works by Aparecido et al [31], Oliveira et al [32], and Camargo [33]. In this study, the Bourbon cultivar presented a larger crown diameter (0.94 m), followed by the cultivars Catucaí (0.82 m) and Catuaí (0.79 m), respectively.…”
Section: Temporal Characterizationsupporting
confidence: 82%
“…According to Asthir (2015), the stress suffered by exposure to high temperatures can decrease the plant metabolism by interfering with electron transport and reducing the effectiveness of photosynthesis. Also, Oliveira et al (2012) reinforce that high exposure to the sun can affect metabolism, reducing coffee yield, predisposing the plant to the manifestation of diseases such as Cercosporiosis (Cercospora coffeicola).This result confirms the importance of temperature in the phenological cycle of coffee and its interference in each stage (Gaspari-Pezzopane et al, 2009). According to Rena and Barros (2004), it is common for up to four blooms to occur in most coffee plantations in Brazil, which results in splitting the fruit development that happens in a non-simultaneous way Rena,1999).…”
Section: Discussionmentioning
confidence: 99%
“…Para a escolha correta dos tratamentos propostos foram realizadas observações de campo e pesquisas científicas na literatura, (OLIVEIRA et al, 2012;SILVA et al, 2009;COELHO et al, 2009;NASCIMENTO et al, 2008;GOMES et al, 2007;SOARES et al, 2005;ALVES et al, 1983), confrontando com o histórico meteorológico do local (Figura 1). Irriga, Botucatu, v. 20, n. 1, p. 177-192, janeiro-março, 2015 Figura 1.…”
Section: Methodsunclassified
“…A individualização nas avaliações de campo em FEPARS, por meio do isolamento de fatores externos (SOARES et al, 2005), possibilitou a identificação de diferenças agronômicas neste estudo. Resultados de pesquisas (OLIVEIRA et al, 2012) apontam a adequação do direcionamento no transplante de mudas para a formação de cafezais. No campo, isto sugere a integração de novas estratégias agronômicas durante o processo produtivo para a manutenção e obtenção de características quanti-qualitativas desejáveis de cafés em sistemas de produção irrigado ou convencional.…”
Section: Tabela 3 Comparação Das Médias E Respectivas Significânciasunclassified