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Investigates soil changes in reclaimed areas with different forest species, suggesting mixed reforestation improves soil quality.
The agrophysical properties of soils reclaimed after ilmenite ore extraction at Shershnivske forestry (Zhytomyr Polissia) and the patterns of their changes under forest stands of various species composition were investigated. On three temporary sample plots in 52-year-old Scots pine (Pinus sylvestris L.) stands with varying proportions of deciduous species, forest inventory and agrochemical soil analysis were conducted. It was established that the introduction of deciduous species (silver birch, black locust) into stand composition increases humus content by 10–14% (from 1.32 to 1.50%) and reduces soil salt acidity by 2–7% compared to pure pine stands. Productivity indicators (timber stock of 274–320 m³/ha versus 145 m³/ha in monocultures of age class 4–5) and sanitary condition (health index 2.6 in mixed stands versus 3.1–3.3 in pure pine stands) confirm the effectiveness of mixed reforestation schemes. Forest type transformation over 40 years (from A₁C to B₂DC) indicates gradual restoration of edaphic conditions under forest plantations.
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М. et al. (2026) studied this question.
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