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	Provedor de dados CIGR Journal (1) Autor Johnson T. Fasinmirin; The Federal University of Technology, Akure (1) Oluremi A. Abiolu; The Federal University of Technology, Akure (1) Philip Gbenro Oguntunde; The Federal University of Technology, Akure (1) olawale J. Olukunle; The Federal University of Technology, Akure (1) Palavra-chave Agricultural and Biosystems Engineering SunScan probe (1) Field evaluation (1) Ghana (1) Leaf area index (1) Maize (1) Ano 2012 (1) País China (1) Idioma Inglês (1)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 1 Primeira ... 1 ... Última Performance of the SunScan canopy analysis system in estimating leaf area index of maize CIGR Journal Philip Gbenro Oguntunde; The Federal University of Technology, Akure; olawale J. Olukunle; The Federal University of Technology, Akure; Johnson T. Fasinmirin; The Federal University of Technology, Akure; Oluremi A. Abiolu; The Federal University of Technology, Akure. Rapid and reliable estimates of leaf area index (LAI) are important for studies of exchanges of energy and gases in the biosphere-atmosphere continuum.  This paper evaluates the field performance of SunScan canopy analysis system for rapid estimation of LAI.  Direct and indirect measurements of LAI were made in a maize (Zea mays L.) field at four phenological stages (emergence, vegetative, flowering and physiological maturity) at a tropical site in Ghana during the Glowa Vota Project field campaign (www.glowa-volta.de).  Similar measurements were repeated in early and late planting seasons with similar crop management practices.  The result showed a generally good performance of this sensor at all the phenological stages.  Average LAI from the sensor... Palavras-chave: Agricultural and Biosystems Engineering SunScan probe; Field evaluation; Leaf area index; Maize; Ghana. Ano: 2012 URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/1823 Registros recuperados: 1 Primeira ... 1 ... Última

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