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The effective precision crop products' production is impossible without modern contact and remote optical control methods of a physiological and phytosanitary condition of crops. At Agrophysical research institute (Russia, St. Petersburg) the technique of definition of homogeneous technological areas is developted by using the means of unmanned aerial vehicles of helicopter (Geoskan-401) and plane (own development) types. Also the test plots which are used as the standards with the known parameters of a physiologi...