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features (en) > soil morphological features (en) > soil horizons (en) > hardpans (en)

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hardpans (en)  

定义

  • Information A hardened soil layer in the lower A or in the B horizon caused by cementation of soil particles with organic matter or with materials such as silica or calcium carbonate. The hardness does not change appreciably with changes in moisture content, and pieces of the hard layer do not disintegrate in water.

    来源: http://agclass.nal.usda.gov/mtwdk.exe?k=glossary&l=60&w=5862&n=1&s=5&t=2

    创建的: 1/14/16

     (en)

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    法语

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    sufuria ngumu

    斯瓦希里语

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    创建的: 2016-01-14T11:59:47Z

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    土耳其语

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    创建的: 2018-01-26T13:49:03Z

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    西班牙语

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    意大利语

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    hardpans

    英语

  • Information

    void:inDataset: http://aims.fao.org/aos/agrovoc/void.ttl#Agrovoc

    创建的: 2019-02-28T13:09:35.165+01:00

    最后修改: 2021-02-16T11:12:42Z

    skos:notation: c27ddf24

    硬土层

    中文

URI

http://aims.fao.org/aos/agrovoc/c_c27ddf24

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RDF/XML TURTLE JSON-LD 创建的 2016/1/14, 最后修改 2024/9/17