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deflationary processes (1) |
erosion processes (1) |
humus (1) |
rational land use (1) |
soil (1) |
specifics of land use (1) |
water erosion (1) |
водно ерозія (1) |
гумус (1) |
дефляційні процеси (1) |
Now showing items 1-10 of 1