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  2. Illuvium - Wikipedia

    en.wikipedia.org/wiki/Illuvium

    Illuvium is material displaced across a soil profile, from one layer to another one, by the action of rainwater. The removal of material from a soil layer is called eluviation. The transport of the material may be either mechanical or chemical. The process of deposition of illuvium is termed illuviation. [1]

  3. The Best Soil Test Kits Will Help You Grow Your Perfect Garden

    www.aol.com/best-soil-test-kits-help-202000925.html

    For premium support please call: 800-290-4726 more ways to reach us

  4. Complete Turf and Ornamental Soil Test Package: $45 We also write Voluntary Nutrient Management Plans for the cropland soil tests. The plans are developed using the Tri-State Fertility Guide.

  5. Garden: It is time to test your garden soil - AOL

    www.aol.com/news/garden-time-test-garden-soil...

    Do you know the nutrient level of the soil in your garden? Do you know how much fertilizer to add next season? Soil testing will answer both questions.

  6. Soil test - Wikipedia

    en.wikipedia.org/wiki/Soil_test

    A soil test is a laboratory or in-situ analysis to determine the chemical, physical or biological characteristics of a soil. Possibly the most widely conducted soil tests are those performed to estimate the plant-available concentrations of nutrients in order to provide fertilizer recommendations in agriculture.

  7. Cone penetration test - Wikipedia

    en.wikipedia.org/wiki/Cone_penetration_test

    The cone penetration or cone penetrometer test (CPT) is a method used to determine the geotechnical engineering properties of soils and delineating soil stratigraphy. It was initially developed in the 1950s at the Dutch Laboratory for Soil Mechanics in Delft to investigate soft soils. Based on this history it has also been called the "Dutch ...