Акустични сензори за нуждите на прецизното земеделие
Acoustic sensors for the needs of precision agriculture

Summary/Abstract: Living organisms emit vibrations that can generate acoustic signals. These signals can be detected and carry information about the processes taking place in the soil and the fauna in it. This would be very useful for precision agriculture. Usually these processes remain hidden because standard soil laboratories do not read signals from living organisms. To assess the biological diversity of the soil and the pace of the developed soil processes, acoustic methods can be used, and through them the soil density can be determined. Soil fauna is critical to soil formation, waste decomposition, nutrient cycling, biotic regulation and plant growth. Soil organisms, however, are still underrepresented in the existing ways of research through chemical analysis of soil in laboratories. The different water content, cavities of organisms and the compaction of the soil provide useful information about its condition. The different concepts of acoustic sensors that are applied in precision agriculture are reviewed.

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