Papers › Optimal soil sampling design based on the maxvol algorithm

Optimal soil sampling design based on the maxvol algorithm

18 Mar 2021arXiv:2103.10337links table onlyarchive 2025-07-28

Anna Petrovskaia, Gleb Ryzhakov, Ivan Oseledets

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Spatial soil sampling is an integral part of a soil survey aimed at creating a soil map. We propose considering the soil sampling procedure as a task of optimal design. In practical terms, optimal experiments can reduce experimentation costs, as they allow the researcher to obtain one optimal set of points. We present a sampling design, based on the fundamental idea of selecting sample locations by performing an optimal design method called the maxvol algorithm. It is shown that the maxvol-base algorithm has a high potential for practical usage. Our method outperforms popular sampling methods in soil taxa prediction based on topographical features of the site and deals with massive agricultural datasets in a reasonable time.

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