I.A. Sidorov1, A.G. Gudkov2, E.P. Novichikhin3, V.Yu. Leushin4, N.F. Khokhlov5, A.G. Bolotov6, S.V. Chizhikov7

1–7 Bauman Moscow State Technical University (Moscow, Russia)

2 LLC Scientific and Production Innovative Company “Hyperion” (Moscow, Russia)

3 Institute of Radioengineering and Electronics of Russian Academy of Sciences (Fryazino, Moscow Region, Russia)

5,6 Russian State Agrarian University – Moscow Timiryazev Agricultural Academy (Moscow, Russia)

For the sustainable development of crop production, the introduction of remote sensing technologies into the practice of precision farming has become an urgent need. In order to find ways to solve this problem, field experiments were conducted on remote determination of portraits of soil moisture and surface temperature using a new portable bipolarization microwave radiometer. The possibility of using a small-class unmanned aerial vehicle as a carrier is shown. The experiments were carried out in different climatic zones on different types of soils and with different agricultural landscapes. At the same time, the interference situation in the areas of the experiment was evaluated in order to accumulate data to develop an optimal algorithm for working under interference conditions.

The purpose of the work is to demonstrate the results of field experiments on remote determination of soil moisture portraits using a new bipolarization microwave radiometer from a UAV and ground–based mobile platforms.

Field experiments on remote determination of portraits of humidity and temperature of the soil surface on various types of soils in the presence and absence of vegetation cover were carried out. Graphs of radio-brightness surface temperatures and soil moisture maps of test fields in the L band for vertically and horizontally polarized waves are obtained. Brightness-humidity regressions for podzolic and sandy-peat soils have been refined.

The introduction of the developed equipment and algorithms into the technological processes of growing crops ensures the sustainable development of crop production technologies, increasing yields and obtaining additional profit by the agro-industrial firms.

Sidorov I.A., Gudkov A.G., Novichikhin E.P., Leushin V.Yu., Khokhlov N.F., Bolotov A.G., Chizhikov S.V. The field experiments results on remote determination of soil moisture portraits (part 1). Nanotechnology: the development, application – XXI Century. 2022.
V. 14. № 4. Р. 45-60. DOI: https://doi.org/10.18127/j22250980-202204-05 (In Russian).

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