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Revista Ciencias Técnicas Agropecuarias
versión On-line ISSN 2071-0054
Resumen
CABRERA-MOREIRA, Santiago; CONCEPCION-BONACHEA, Néstor; BATISTA-CHARLES, Osbel Julio y PALMERO-VENEGAS, Iosvany. Calibration of TDR probe for the estimation of moisture in typical red Ferrallitic soils. Rev Cie Téc Agr [online]. 2018, vol.27, n.3 ISSN 2071-0054.
The dielectric method to estimate soil moisture content is based in the existent closed relationship between dielectric permittivity and water content. The time-domain reflectometry (TDR) is an indirect technique to estimate the soil water content based on the mentioned relationship given by polynomials of different ranges inserted in the equipment. However, the absence of generalization of these models to transform the data of the sensors into readings of moisture content of different soils makes necessary the obtaining of the place-specific calibration curves. The objective of the present work consists on the calibration of a probe TDR 300 model 6430FS for its use in typical red Ferrallitic soils of Ciego de Ávila, Cuba.
Palabras clave : Dielectric method; gravimetric moisture; time domain reflectometry; empirical calibration equation..