A theoretical and experimental verification of a simple hypothesis was carried out in this study: can features of the anatomical structure of coniferous annual rings (in example of pine trees from moisture-deficient growth conditions in the steppe zone) quantified in tracheidograms of annual rings, be used to reconstruct the kinetics of seasonal growth. Using two sharply different growth seasons as an example, during the periodical sampling, seasonal growth of tree rings was measured with the separation of the forming annual ring into zones (cambium, extension zone, zone of thickening of the cell wall, zone of mature tracheids) and total tracheidograms, a simple scheme for converting the variability of the radial cell sizes into cumulative and differential cell production curves was proposed. Statistical analysis revealed both correspondence and discrepancies between theoretical and experimental data, showed the prospects of the proposed approach and pointed out the need for longer seasonal observations.