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  2. Charlottetown (soil series) - Wikipedia

    en.wikipedia.org/wiki/Charlottetown_(soil_series)

    Charlottetown soil series is the name given to a deep fine sandy loam soil which has developed under forest vegetation on glacial till. This series occurs only on Prince Edward Island , where it is widespread and so important for agriculture that it has been designated as the Provincial Soil.

  3. Soil color - Wikipedia

    en.wikipedia.org/wiki/Soil_color

    Dark soil color imparted by organic matter in Illinois, US. Dark brown or black colors typically indicate that the soil has a high organic matter content. [4] Organic matter coats mineral soil particles, which masks or darkens the natural mineral colors. [1] Sodium content also influences the depth of organic matter and therefore the soil color.

  4. Red soil - Wikipedia

    en.wikipedia.org/wiki/Red_soil

    Red soil is a type of soil that typically develops in warm, temperate, and humid climates and comprises approximately 13% of Earth's soils. [1] It contains thin organic and organic-mineral layers of highly leached soil resting on a red layer of alluvium .

  5. Geography of Prince Edward Island - Wikipedia

    en.wikipedia.org/wiki/Geography_of_Prince_Edward...

    The geography of Prince Edward Island is mostly pastoral with red soil, white sand, and scattered communities. Known as the "Garden of the Gulf", the island is located in the Gulf of Saint Lawrence north of Nova Scotia and east of New Brunswick, with which it forms the Northumberland Strait.

  6. Ultisol - Wikipedia

    en.wikipedia.org/wiki/Ultisol

    The use of soil tests, coupled with the corresponding provisions, can alleviate issues of nutrition and irrigation that can result from non porous Ultisol. [4] Soil tests help indicate the pH, and red clay soil typically has a low pH. [5] The addition of lime is used to help to increase the pH in soil and can help increase the pH in Ultisol as ...

  7. Terra rossa (soil) - Wikipedia

    en.wikipedia.org/wiki/Terra_rossa_(soil)

    Malvasia vines in terra rossa soil. Terra rossa (Italian for 'red soil') is a well-drained, reddish, clayey to silty soil with neutral pH conditions and is typical of the Mediterranean region. The reddish color of terra rossa is the result of the preferential formation of hematite over goethite.

  8. Laterite - Wikipedia

    en.wikipedia.org/wiki/Laterite

    Laterite is a soil type rich in iron and aluminium and is commonly considered to have formed in hot and wet tropical areas. Nearly all laterites are of rusty-red coloration, because of high iron oxide content.

  9. Vertisol - Wikipedia

    en.wikipedia.org/wiki/Vertisol

    A vertisol is a Soil Order in the USDA soil taxonomy [1] and a Reference Soil Group in the World Reference Base for Soil Resources (WRB). [2] It is also defined in many other soil classification systems. In the Australian Soil Classification it is called vertosol. [3] The natural vegetation of vertisols is grassland, savanna, or grassy woodland ...