A. . Polevoy, O. . Mikityuk, L. . Bozhko, and E. . Barsukova, “EVALUATION OF SPATIAL VARIABILITY OF FERTILITY INDICATORS OF CHERNOZEM SOILS BY GEOSTATISTICAL METHODS”, Scient.Prog.&Innov., vol. 2, no. 2, pp. 21–29, Jun. 2022.