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島根農科大学研究報告 Volume 8
published_at 1960-03-31
シラカシ択伐林に関する研究(第2報) : 下山佐択伐林の土壌粒団と侵蝕について
Studies on "Shirakashi" (Quercus myrshinaefolia Blume) Forests Treated by the Selection Method(2) : Influence of erosion on the soil aggregates in the selection forest at Shimoyamasa
Sogawa Hiroshi
Narita Tsunemi
Yasui Hitoshi
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At the moderate selection stand, the surface soil is protected from water erosion by crowns of trees above and fallen leaves, hence, it contains many relatively greater soil aggregates (3mm＜) rich in finer particles.
At the over cut stand in selection method and the clear cut stand, the surface soil is exposed to water erosion, and such aggregates as mentioned above bacome smaller (3～0.25mm) by the decomposition or lost of fine particles. These smaller aggregates seem rather stable.
At the over cut stand in selection method and the clear cut stand, the surface soil is exposed to water erosion, and such aggregates as mentioned above bacome smaller (3～0.25mm) by the decomposition or lost of fine particles. These smaller aggregates seem rather stable.
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