n. scarifying
狄肯把坑挖得更深以后，科林继续把泥土一遍一遍翻松。
When Dickon had deepened the hole, Colin went on turning the soft earth over and over.
老人想在花园里种些土豆，但不知道谁可以帮忙把泥土翻松。
The old man wanted to plant some potatoes in his garden but he didn't know anyone who would help him plow up the garden.
在对土壤中养分的有效化方面，免耕不如深松和普翻处理。
No-ploughing is inferior to promote effectiveness of nutrient in soils than subsoiling and ploughing.
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