Please use this identifier to cite or link to this item: http://hdl.handle.net/10174/9182

Title: Comparing the DUALEM and VÉRIS sensors for mapping soil properties
Authors: Serrano, João
Shahidian, Shakib
Marques da Silva, José
Editors: Stafford, John V.
Keywords: Apparent soil electrical conductivity
DUALEM sensor
VÉRIS sensor
Soil properties
Issue Date: Jul-2013
Publisher: John V. Stafford
Citation: J. Serrano, S. Shahidian, J. Marques da Silva (2013). Comparing the DUALEM and VÉRIS sensors for mapping soil properties. In: Precision agriculture’13, edited by John V. Stafford, 25-32. ISBN: 978-90-8686-224-5; DOI: 10.3920/978-90-8686-778-3; 9th European Conference on Precision Agriculture 2013, Lleida, Catalonia, Spain, 7-11 July 2013. 25-32 (Comunicação oral apresentada na 9th European Conference on Precision Agriculture 2013, Lleida, Catalonia, Spain, 7-11 July 2013.
Abstract: The objective of this study was to evaluate two apparent soil electrical conductivity (ECa) sensors (DUALEM 1S and VERIS 3100) for mapping soil property variability in a Mediterranean shallow soil. The ECa data from the top 0-0.30 m soil layer were used. Soil spatial variability of a 6ha experimental field was characterized by 76 samples geo-referenced with GPS. The results of the DUALEM sensor showed significant correlation coefficients between ECa and the relative field elevation (RFE), bedrock depth, pH, sand, silt and soil moisture content. On the other hand, significant correlation coefficients were found between the ECa measured by VÉRIS sensor and pH, sand, clay, organic matter and soil moisture content. This paper discusses possible reasons for the somewhat different behaviour of the two sensors.
URI: http://hdl.handle.net/10174/9182
Type: article
Appears in Collections:ERU - Artigos em Livros de Actas/Proceedings
ICAAM - Artigos em Livros de Actas/Proceedings

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