tóng-àn:Soil profile.jpg

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Soil_profile.jpg ‎（236 × 288 siōng-sò͘ , tóng-àn chiàm-liōng: 39 KB, MIME luī-hêng: image/jpeg）

Khài-iàu

Soat-bêng
English: Graphic of a soil profile showing O, A, B, and C horizons. The depth numbers are approximately.
  • O ( 0" - 2" ): Organic
  • A ( 2" - 10" ): Surface
  • B ( 10" - 30" ): Subsoil
  • C ( 30" - 48" ): Substratum
  • R ( not shown on graphic ): Parent material, e.g. bedrock
Deutsch: Schematisches Bodenprofil. Allgemeiner Aufbau. Schichtung in Horizonten.
  • O ( 0 - 5 cm): Organischer Auflagehorizont.
  • A ( 5 - 25 cm): A-Horizont - Mutterboden.
  • B ( 25 - 75 cm): B-Horizont - Mineralischer Bodenhorizont aus verwitterten und zermahlenem Gestein.
  • C ( 75 - 120 cm): C-Horizont - Mineralischer Bodenhorizont
  • R ( nicht gezeigt): Ausgangsgestein
Ji̍t-kî 日期不明
Unknown date
Chhut-chhù http://soils.usda.gov/education/resources/lessons/profile/profile.jpg
Chok-chiá 未知Unknown author
授權允准
(Bô siŏh-huòi sāi ciā ùng-giông)		 PD-USGov-USDA
其他版本

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Siū-khoân

Public domain
本圖像是美國農業部人員的職務作品。作為美國聯邦政府的作品，本圖像屬於公有領域。

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Ji̍t-kî/Sî-kanSáuk-liŏk-dùChióh-cháungIōng-chiáChù-kái
hiān-chāi2004-nî 11-goe̍h 24-ji̍t (pài-saⁿ) 00:352004-nî 11-goe̍h 24-ji̍t (pài-saⁿ) 00:35 bēng-buōng gì sáuk-liŏk-dù236 × 288（39 KB）PaleorthidSoil profile 236x288 38.76 KB {{PD-USGov-USDA}}

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