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

    www.aol.com/lifestyle/best-soil-test-kits-help...

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  3. What's the big deal about soil testing? It leads to ... - AOL

    www.aol.com/whats-big-deal-soil-testing...

    The soil tests we offer test both the main macro and micronutrients. These nutrients include phosphorus, exchangeable potassium, calcium, magnesium and more. The tests also include soil pH ...

  4. Have you tested your garden soil? Here's what you should know

    www.aol.com/tested-garden-soil-heres-know...

    In this vein, a soil test is like a blood test for the soil. Soil tests can be used for four purposes: maintaining proper soil fertility; guiding plant selection; diagnosing plant health issues ...

  5. 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.

  6. Iron deficiency (plant disorder) - Wikipedia

    en.wikipedia.org/wiki/Iron_deficiency_(plant...

    Iron deficiency can be avoided by choosing appropriate soil for the growing conditions (e.g., avoid growing acid loving plants on lime soils), or by adding well-rotted manure or compost. If iron deficit chlorosis is suspected then check the pH of the soil with an appropriate test kit or instrument. Take a soil sample at surface and at depth.

  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 ...