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Calibration of a soil moisture sensor with disturbed and undisturbed soil samples from Bahia AGRIAMBI
Lima,João G. A.; Oliveira,Aureo S. de; Souza,Luciano da S.; Silva,Neilon D. da; Viana,Paula C..
ABSTRACT The objective of this study was to evaluate the models proposed by manufacturers and in the literature with respect to soil moisture measurement and to evaluate the performance of the CS616 sensor in the calibration of disturbed and undisturbed soil samples. These calibrations were performed using linear and quadratic models. Disturbed samples were collected in São Gabriel/BA, six samples placed in pots, whereas undisturbed samples were collected in Cruz das Almas/BA, three samples directly collected in the area and placed in a container. A calibration was performed between 21/12/2016 and 08/01/2017. The models proposed in the literature and by manufacturers differed in the estimation of volumetric soil moisture. Disturbed soil samples had higher...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Soil water content; Time domain reflectometry; Soil physics.
Ano: 2018 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1415-43662018001000696
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