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2. Marine clay - Wikipedia

   en.wikipedia.org/wiki/Marine_clay

   Marine clay is a particle of soil that is dedicated to a particle size class, this is usually associated with USDA's classification with sand at 0.05mm, silt at 0.05-.002mm and clay being less than 0.002 mm in diameter. Paired with the fact this size of particle was deposited within a marine system involving the erosion and transportation of ...

3. 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 ...

4. Clay - Wikipedia

   en.wikipedia.org/wiki/Clay

   A Quaternary clay deposit in Estonia, laid down about 400,000 years ago. 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 (OH) 4). Most pure clay minerals are white or light-coloured, but natural clays show a variety of colours from impurities ...

5. The 15 Best Raised Bed Gardens for Every Type of ... - AOL

   www.aol.com/15-best-raised-bed-gardens-155200691...

   Whether you're dealing with heavy clay soil, hungry bunnies, or limited space, raised bed gardens solve all kinds of gardening challenges. ... or balcony. It's 8 inches deep and holds 95 quarts of ...

6. Compressed earth block - Wikipedia

   en.wikipedia.org/wiki/Compressed_earth_block

   Compressed earth block. A compressed earth block (CEB), also known as a pressed earth block or a compressed soil block, is a building material made primarily from an appropriate mix of fairly dry inorganic subsoil, non-expansive clay, sand, and aggregate. Forming compressed earth blocks requires dampening, mechanically pressing at high pressure ...

7. Expansive clay - Wikipedia

   en.wikipedia.org/wiki/Expansive_clay

   Expansive clay is a clay soil that is prone to large volume changes (swelling and shrinking) that are directly related to changes in water content. [1] Soils with a high content of expansive minerals can form deep cracks in drier seasons or years; such soils are called vertisols. Soils with smectite clay minerals, including montmorillonite and ...