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till
(i) Unsorted and unstratified earth material, deposited by glacial ice, which consists of a mixture of clay, silt, sand, gravel, stones, and boulders in any proportion. (ii) To prepare the soil for seeding; to seed or cultivate the soil.
- 词性: noun
- 行业/领域: 地球科学
- 类别 土壤学
- Company: Soil Science Society of America
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创建者
- Bob Adams
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