Publicado

2018-10-01

FDR ECH2O sensor performance in Spodosols

Desempeño de un sensor FDR ECH2O en Espodosuelos

DOI:

https://doi.org/10.15446/dyna.v85n207.71897

Palabras clave:

EC-5, sandy soil, volumetric water content, sensor, capacitance. (en)
EC-5, suelo arenoso, contenido volumétrico de agua, sensor, capacitancia. (es)

Autores/as

Frequency domain reflectometry (FDR) is widely used to measure the soil water contents. However, the soil composition effects on FDR calibration has to be quantified to reduce the need for further calibration. Our objectives were to (1) evaluate the accuracy of EC-5 for measuring soil water content in sandy soils and (2) develop soil-specific sensor calibration curve. Disturbed and undisturbed soil samples were collected in a Sopossol profile (07º 37’ 30’’ S, 34º 57’ 30’’ W) representative of region sugarcane grown, in northeast of Brazil. Regression statistics analysis showed good accuracy and RMSE = 0.01 m3 m-3, while without specific calibration the RMSE = 0.06 m3 m-3. The EC-5 sensor should be subjected to field-specific calibration in sandy soils due to the low field capacity and water content during the growing season.

La Reflectometría en el dominio de frecuencia (FDR) es ampliamente utilizada para medir el contenido de agua en el suelo. Sin embargo los efectos de la composición del suelo en la calibración de FDR deben cuantificarse para reducir la necesidad de una calibración adicional. Los objetivos fueron (1) evaluar la precisión del sensor EC-5 para medir el contenido de agua del suelo en suelos arenosos y (2) desarrollar la curva de calibración del sensor específica del suelo. Se colectaron muestras de suelo disturbadas y no disturbadas en el perfil de suelo de Espodosuelo (07º 37’ 30’’ S, 34º 57’ 30’’ W) en um area representantiva de la región productora de caña de azúcar, en el Noreste de Brasil. Los resultados del análisis de regresión mostraron una buena precisión y la RMSE = 0.01 m3 m-3,mientras que sin calibración específica la RMSE = 0.06 m3 m-3. El sensor EC-5 debe someterse a calibración específica en suelos arenosos debido a la baja capacidad de campo y contenido de agua en el periodo de crecimiento.

Referencias

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Cómo citar

IEEE

[1]
C. D. G. C. de Almeida, D. M. O. Silva, B. G. de Almeida, Ênio F. de F. e Silva, R. N. Barbosa, y J. A. Santos Júnior, «FDR ECH2O sensor performance in Spodosols», DYNA, vol. 85, n.º 207, pp. 60–64, oct. 2018.

ACM

[1]
Almeida, C.D.G.C. de, Silva, D.M.O., Almeida, B.G. de, Silva, Ênio F. de F. e, Barbosa, R.N. y Santos Júnior, J.A. 2018. FDR ECH2O sensor performance in Spodosols. DYNA. 85, 207 (oct. 2018), 60–64. DOI:https://doi.org/10.15446/dyna.v85n207.71897.

ACS

(1)
Almeida, C. D. G. C. de; Silva, D. M. O.; Almeida, B. G. de; Silva, Ênio F. de F. e; Barbosa, R. N.; Santos Júnior, J. A. FDR ECH2O sensor performance in Spodosols. DYNA 2018, 85, 60-64.

APA

Almeida, C. D. G. C. de, Silva, D. M. O., Almeida, B. G. de, Silva, Ênio F. de F. e, Barbosa, R. N. & Santos Júnior, J. A. (2018). FDR ECH2O sensor performance in Spodosols. DYNA, 85(207), 60–64. https://doi.org/10.15446/dyna.v85n207.71897

ABNT

ALMEIDA, C. D. G. C. de; SILVA, D. M. O.; ALMEIDA, B. G. de; SILVA, Ênio F. de F. e; BARBOSA, R. N.; SANTOS JÚNIOR, J. A. FDR ECH2O sensor performance in Spodosols. DYNA, [S. l.], v. 85, n. 207, p. 60–64, 2018. DOI: 10.15446/dyna.v85n207.71897. Disponível em: https://revistas.unal.edu.co/index.php/dyna/article/view/71897. Acesso em: 16 mar. 2026.

Chicago

Almeida, Ceres Duarte Guedes Cabral de, Denize Maria Oliveira Silva, Brivaldo Gomes de Almeida, Ênio Farias de França e Silva, Rebeca Neves Barbosa, y José Amilton Santos Júnior. 2018. «FDR ECH2O sensor performance in Spodosols». DYNA 85 (207):60-64. https://doi.org/10.15446/dyna.v85n207.71897.

Harvard

Almeida, C. D. G. C. de, Silva, D. M. O., Almeida, B. G. de, Silva, Ênio F. de F. e, Barbosa, R. N. y Santos Júnior, J. A. (2018) «FDR ECH2O sensor performance in Spodosols», DYNA, 85(207), pp. 60–64. doi: 10.15446/dyna.v85n207.71897.

MLA

Almeida, C. D. G. C. de, D. M. O. Silva, B. G. de Almeida, Ênio F. de F. e Silva, R. N. Barbosa, y J. A. Santos Júnior. «FDR ECH2O sensor performance in Spodosols». DYNA, vol. 85, n.º 207, octubre de 2018, pp. 60-64, doi:10.15446/dyna.v85n207.71897.

Turabian

Almeida, Ceres Duarte Guedes Cabral de, Denize Maria Oliveira Silva, Brivaldo Gomes de Almeida, Ênio Farias de França e Silva, Rebeca Neves Barbosa, y José Amilton Santos Júnior. «FDR ECH2O sensor performance in Spodosols». DYNA 85, no. 207 (octubre 1, 2018): 60–64. Accedido marzo 16, 2026. https://revistas.unal.edu.co/index.php/dyna/article/view/71897.

Vancouver

1.
Almeida CDGC de, Silva DMO, Almeida BG de, Silva Ênio F de F e, Barbosa RN, Santos Júnior JA. FDR ECH2O sensor performance in Spodosols. DYNA [Internet]. 1 de octubre de 2018 [citado 16 de marzo de 2026];85(207):60-4. Disponible en: https://revistas.unal.edu.co/index.php/dyna/article/view/71897

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