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The role of earthworm in distribution of yeast population in the soils
High number of Trichosporon cutaneum in FH layer could be explained by accumulation excrement in that layer when earthworm use the soil of L-layer for food. When earthworm use the soil of FH, A and AB for food, a part of yeast is digested and a part left is distributed along soil layers. Lypomyces – representative of soil yeast – has a resistant action with digestion of earthworm, so residence and accumulation excrement of earthworm in soil layers could be considered as a factor of distribution and fixation Lypomyces in the soil.