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Calibration and study of soil physical-hydric relations using a frequency domain reflectometry probe CIGR Journal
Duarte, Thiago; Silva, Tonny José Araújo da; Bonfim-Silva, Edna Maria; Souza, Hanna Pricilla Barbosa.
The FDR Diviner 2000® probe is widely used to monitor soil moisture and to study physical-hidric relationships. The calibration equation provided by the manufacturer may not correctly reproduce the actual moisture value for the same type of soil with different bulk densities. In addition, it was postulated in this experiment that the capacitance probe can be used to determine the soil water tension and the initial soil water retention curve. Thus, the objectives were: to assess whether the calibration equation parameters of the FDR probe changes with the bulk density variation; estimate the soil water tension using the FDR probe; and verify the effect of the probe calibration in determining the initial soil water retention curve for the Red Oxisol at three...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Soil physics; Soil moisture; Soil compaction; Instrumentation; Diviner 2000®..
Ano: 2021 URL: http://www.cigrjournal.org/index.php/Ejounral/article/view/6673
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