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  2. 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 ...

  3. Clay - Wikipedia

    en.wikipedia.org/wiki/Clay

    Clay is a type of fine-grained natural soil material containing clay minerals [1] (hydrous aluminium phyllosilicates, e.g. kaolinite, Al 2 Si 2 O 5 4). Most pure clay minerals are white or light-coloured, but natural clays show a variety of colours from impurities, such as a reddish or brownish colour from small amounts of iron oxide .

  4. Claypan - Wikipedia

    en.wikipedia.org/wiki/Claypan

    Plants with shallow roots, might not withstand the soil contraction forces due to the shrinkage of clay in the dry season. The low water infiltration rate and hydraulic conductivity may lead to a perched water table form on top of the claypan layer. Water in the perched water table evaporates instead of uptake by plants, especially in the dry ...

  5. Here are the top 5 invasive plants to look out for in your ...

    www.aol.com/news/top-5-invasive-plants-look...

    Researchers estimate 1 out of every 3 plants in Illinois woodlands, wetlands and grasslands are non-native. Here are the top 5 invasive plants to look out for in your Illinois backyard this spring ...

  6. Physical properties of soil - Wikipedia

    en.wikipedia.org/wiki/Physical_properties_of_soil

    Soil texture is determined by the relative proportion of the three kinds of soil mineral particles, called soil separates: sand, silt, and clay. At the next larger scale, soil structures called peds or more commonly soil aggregates are created from the soil separates when iron oxides, carbonates, clay, silica and humus, coat particles and cause ...

  7. List of U.S. state soils - Wikipedia

    en.wikipedia.org/wiki/List_of_U.S._state_soils

    This is a list of U.S. state soils. A state soil is a soil that has special significance to a particular state. Each state in the United States has selected a state soil, twenty of which have been legislatively established. These official state soils share the same level of distinction as official state flowers and birds.

  8. Should Illinois homeowners and gardeners be worried about the ...

    www.aol.com/illinois-homeowners-gardeners...

    "Anything growing in your garden should be safe," confirms Athey. This article originally appeared on Journal Star: lllinois cicadas 2024: What gardeners should know about emerging cicadas Show ...

  9. Red soil - Wikipedia

    en.wikipedia.org/wiki/Red_soil

    Red soil can be good or poor growing soil depending on how it is managed. It is usually low in nutrients and humus and can be difficult to cultivate due to its low water holding capacity ; however, the fertility of these soils can be optimized with liming and other farming techniques.

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