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Interpolation of Data Measured by Field Harvesters: Deployment, Comparison and Verification

Abstract : Yield is one of the key indicators in agriculture. The most common practices provide only one yield value for a whole field according to the weight of the harvested crop. On the contrary, precision agriculture techniques discover spatial patterns within a field to minimise the environmental burden caused by agricultural activities. Field harvesters equipped with sensors provide more detailed and spatially localised values. The measurements from such sensors need to be filtered and interpolated for the purposes of follow-up analyses and interpretations. This study verified the differences between three methods of interpolation (Inverse Distance Weighted, Inverse Distance Squared and Ordinary Kriging) derived from field sensor measurements that were (1) obtained directly from the field harvester, (2) processed by global filters, and (3) processed by global and local filters. Statistical analyses evaluated the results of interpolations from three fully operational Czech fields. The revealed spatial patterns, as well as recommendations regarding the suitability of the interpolation methods used, are presented at the end of this paper.
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Submitted on : Friday, October 1, 2021 - 3:41:05 PM
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Tomáš Řezník, Lukáš Herman, Kateřina Trojanová, Tomáš Pavelka, Šimon Leitgeb. Interpolation of Data Measured by Field Harvesters: Deployment, Comparison and Verification. 13th International Symposium on Environmental Software Systems (ISESS), Feb 2020, Wageningen, Netherlands. pp.258-270, ⟨10.1007/978-3-030-39815-6_25⟩. ⟨hal-03361893⟩



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