abstract: Aim.To investigate structural composition (lumpiness), bulk density and penetration resistance in soils of Polissia, Forest-Steppe and Steppe.Methods.The experimental plots were allocated on the elds in a regular network.The measurements performed before harvesting testi ed to an equilibrium condition of soil physical properties.The data ware processed by the geostatistical method.Results.The key parameters of spatial heterogeneity (variation factors, histograms, autocorrelation function, variog
journal: Agricultural science and practice