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Heuristic methods applied in reference evapotranspiration modeling Ciência e Agrotecnologia
Althoff,Daniel; Bazame,Helizani Couto; Filgueiras,Roberto; Dias,Santos Henrique Brant.
ABSTRACT The importance of the precise estimation of evapotranspiration is directly related to sustainable water usage. Since agriculture represents 70% of Brazil’s water consumption, adequate and efficient application of water may reduce the conflicts over the use of water among the multiple users. Considering the importance of accurate estimation of evapotranspiration, the objective of the present study was to model and compare the reference evapotranspiration from different heuristic methodologies. The standard Penman-Monteith method was used as reference for evapotranspiration, however, to evaluate the heuristic methodologies with scarce data, two widely known methods had their performances assessed in relation to Penman-Monteith. The methods used to...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Machine learning; Model comparison; Water management.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-70542018000300314
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Increasing yoghurt daily production with modeling and simulation process Ciência Rural
Araújo,Adolfo Vicente; Queiroz,Daniel Marçal de; Arcanjo,Gemima Santos; Dias,Santos Henrique Brant; Alves,Renato Martins; Pinto,Francisco de Assis de Carvalho; Valente,Domingos Sárvio Magalhães.
ABSTRACT: The objective of this research was to use the modeling and computer simulation to support decision makers, aiming to increase the productive capacity of the agro-industry of LaticínioFunarbe. Specifically, it has modeled the current yoghurt production sector for simulation that enables it to meet the new demand. The Arena 14.7 simulation software was used to conduct the modeling. To validate the model, the output of yoghurt production collected at the factory for three months was compared with the output from the simulated computational model. Two indicators were established to perform analyzes of four different scenarios. The implemented model resulted in an increase in the production capacity of 5,000L.d-1 of yoghurt, corresponding to a...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Modeling; Computer simulation; Cenario analysis; Yoghurt; Dairy industry.
Ano: 2019 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0103-84782019000100751
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Irrigation of radish cultivars in the region of Viçosa, Minas Gerais, Brazil Rev. Ciênc. Agron.
Correia,Caio César Silva Alvarenga; Cunha,Fernando França da; Mantovani,Everardo Chartuni; Silva,Derly Jose Henriques da; Dias,Santos Henrique Brant.
ABSTRACT The region of Viçosa in Brazil stands out for vegetable production. For success in this activity, the correct choice of cultivar with the correctly applied irrigation are necessary. As such, the aim of this study was to evaluate the agronomic performance of radish cultivars submitted to different irrigation depths. The radish crop was grown in a protected environment over three cycles, for periods of 38 to 40 days. The experimental design was of randomised complete blocks in split plots with five replications, comprising five irrigation depths (50, 75, 100, 125 and 150% of crop evapotranspiration-ETc) in the plots, with three radish cultivars in the subplots. (Hybrid no 25 - Sakata, Crunchy Royale - Sakata and Vip Crimson - Feltrin). A drip...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Protected cultivation; Horticulture; Irrigation management; Raphanus sativus.
Ano: 2020 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1806-66902020000100411
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