A brief analysis of the current state of development of methods for the qualitative assessment of agricultural land. The basic scope of the possible results of soil evaluation. Revealed evidence of the influence of the nonlinear nature of the soil on yield. Analytically developed a formula taking into account the effect of the nonlinearity of soil attributes in the qualitative evaluation of land.

Keywords: diversification of management, production diversification, financial and economic purposes of a diversification, technological purposes of ensuring flexibility of production

The problem of the current method of mass cadastral valuation of land settlements with the type of permitted use - for individual housing. This problem is that the regression analysis used in the present method does not include the cost depending land on their mutual position. A study of the source data proved that the market value of land depends on the degree of proximity of land from each other. On this basis, the work was proposed to use a new, more correct cadastral valuation method - the method of geostatistical interpolation (kriging).

Keywords: cadastral value, geostatistics, regression, interpolation, kriging

There submitted a HF and SHF field energy density measuring technique developed by authors in this work with application of semiconducting laser interferometer measuring an alteration of a glass plate optical thickness while the plate is placed in the sphere of HF or SHF heating. Operability of the technique is demonstrated by measurement of a microwave oven electromagnetic field energy density distribution

Keywords: laser interferometer, temperature measurement, HF and SHF field sensor