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	Provedor de dados 196 (1) Autor Marques Filho, Aldir Carpes (1) Rodrigues de Medeiros, Sergio Ricardo (1) Rodrigues, Jean Paulo (1) Sartorio de Medeiros, Simone Daniela (1) Tipo do documento Info:eu-repo/semantics/article (1) Ano 2020 (1) País Brazil (1) Idioma Inglês (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 1 Primeira ... 1 ... Última DEVELOPMENT OF AN ELECTRONIC CONTROLLER FOR LETTUCE PRODUCTION IN GREENHOUSES 196 Marques Filho, Aldir Carpes; Rodrigues, Jean Paulo; Sartorio de Medeiros, Simone Daniela; Rodrigues de Medeiros, Sergio Ricardo. The objective of this study was to develop an electronic controller for microclimate control in greenhouses, as well as to verify if the automated control system affects the productivity of two varieties of lettuce “Lactuca sativa”. The control system was developed based on the Atmega 2560 and compatible transducers. An experimental field analysis was carried out over a production cycle for two lettuce varieties. The experimental results showed that the designed equipment worked according to the implemented programming algorithm. However, the ventilation, nebulization and shading actuators did not control environmental variables, due to under sizing. The irrigation process was correctly controlled throughout the experimental period. The electronic... Tipo: Info:eu-repo/semantics/article Ano: 2020 URL: http://periodicosonline.uems.br/index.php/agrineo/article/view/4043 Registros recuperados: 1 Primeira ... 1 ... Última

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