Evolution of soil climate relationship is materialized under pedogenetical regimes (hydric, aeration, hydrothermal, airhydric) which are basic components of soil climate. The last one is influenced by external factors (atmospheric climate) and internal factors (granulometric composition, bulk density, structure, porosity). On measure as human impact increase on soil, enhances and its role in the formation of soil climate. Among the agrogen processes more significant impact of soil climate returns to compaction and those which refers to evolution of the aggregates composition. In the current phase of the evolution of chernozems between Dniester and Prut its trends is focused on aridization.