Image:Soil profile.jpg

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Soil_profile.jpg (39KB, MIME type: image/jpeg)


Wikimedia Commons ê ang-á-phiau Chit ê tóng-àn tùi Wikipedia Commons lâi--ê; ū khó-lêng hām pa̍t-ê Wikipedia sū-kang kong-ke iōng. Chhiáⁿ chham-khó iáⁿ-siōng soat-bêng-ia̍h ê pán-koân seng-bêng.


Soil profile 236x288 38.76 KB

Public domain This image is a work of a United States Department of Agriculture employee, taken or made during the course of the person's official duties. As a work of the U.S. federal government, the image is in the public domain.

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http://soils.usda.gov/education/resources/k_12/lessons/profile/profile.jpg

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