最終更新日：2024/08/04
The ploughpan is a layer of compacted soil found below the ploughed layer.
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The ploughpan is a layer of compacted soil found below the ploughed layer.
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The ploughpan is a layer of compacted soil found below the ploughed layer.
The ploughpan is a layer of compacted soil found below the ploughed layer.
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