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Peat and sphagnum make a good organic surface for turf that will retain water and nutrients.
泥炭与泥炭作的草皮，以维持良好的水和养分的有机表面。
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In sun, rain or snow she was up there, digging down through the turf and the fibrous black peat until she hit bare rock.
ECONOMIST: Winnie Johnson
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