The density of podzolized chernozem’s structure at different fertilizer and tillage systems

Goal. To determine the influence of different fertilizer systems and tillage method on structure density cultivated soil layer depending moisture strongly regraded chernozem in short crop rotations types Central Forest-Steppe Ukraine. Methods. Common — field, laboratory, mathematical, comparative. Results. A standardized interval is determined for podzolized rotation. It varies range from 1.26–1.27 g/cm3 to 1.19–1.20 at 30% level 1.17–1.18 upper typical value 10% statistical evaluation. At maximum compaction, a significant decrease fixed intensive system (1.32 g/cm3) organic (1.26 g/cm3). The difference was 0.14 g/cm3; 0.12 0.10 g/cm3. values 0–20 cm structure: plowing 50% 1.09–1.27 g/cm3, surface 1.12–1.28 0.18 0.16 level, intervals were 1.04–1.34 1.07–1.37 with trend 0.3 cultivation methods. 0–30 layer, regardless optimal values: 1.11–1.13 1.33–1.35 up 1.08–1.10 0.14–0.15 0.25 respectively levels detected values. Conclusions. found that parameters during did not differ much values, which indicates systematic grain rotation contributes steady improvement agrophysical condition soil, while heavily degraded chernozems tend minimize tillage. positive effect compaction revealed, combination more effective decomposition humus horizon provided comparison fertilization system.