Physical background of soil EC mapping: laboratory, theoretical and field studies

E. LÃ¼ck; J. RÃ¼hlmann; U. Spangenberg

Physical background of soil EC mapping: laboratory, theoretical and field studies

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E. LÃ¼ck

E. LÃ¼ck ¹University Potsdam, Institute of Geosciences, PF: 60 15 53, 14415 Potsdam
elueck@geo.uni-potsdam.de

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J. RÃ¼hlmann

J. RÃ¼hlmann ²Institute of Vegetable and Ornamental Crops, Theodor-Echtermeyer-Weg 1, 14979 GroÃbeeren
ruehlmann@igzev.de

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U. Spangenberg

U. Spangenberg ²Institute of Vegetable and Ornamental Crops, Theodor-Echtermeyer-Weg 1, 14979 GroÃbeeren

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Page Range:: 415â424

DOI:: https://doi.org/10.3920/978-90-8686-549-9_052

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Geoelectrical methods, measuring electrical conductivity or resistivity, are regarded as promising tools to address soil heterogeneity in the context of precision agriculture. Despite the great potential of these methods, there are some drawbacks, which are leading to ambiguous results in practice. The relationship between electrical soil properties and other soil parameters under field conditions can vary from site to site. Some reasons are discussed in this paper. Attention is given to the correlation between the electrical conductivity (EC) and both clay content and water content. The results are based on both laboratory measurements and field (on-farm) studies. In addition, modelled simulations are used to demonstrate some other restrictions of electrical methods.

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Precision Agriculture â05

ISBN:: 9789086865499

åºçç¤¾:: Wageningen Academic

å°å·åºçæ¥æ:: 24 Oct 2005

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- Life Sciences
  - General
  - Agriculture & Environment

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Physical background of soil EC mapping: laboratory, theoretical and field studies

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