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2. Topsoil - Wikipedia

   en.wikipedia.org/wiki/Topsoil

   Topsoil is composed of mineral particles and organic matter and usually extends to a depth of 5-10 inches (13–25 cm). Together these make a substrate capable of holding water and air which encourages biological activity. There are generally a high concentration of roots in topsoil since this is where plants obtain most of their vital nutrients.

3. Structural Soil - Wikipedia

   en.wikipedia.org/wiki/Structural_Soil

   Structural soil is composed of crushed stone (typically limestone or granite) narrowly graded from ¾-1 ½” highly angular with no fines, clay loam which should conform to the USDA soil classification system. The hydrogel is added in a small amount to prevent the separation of the stone and soil during mixing and installation.

4. Soil stockpile - Wikipedia

   en.wikipedia.org/wiki/Soil_Stockpile

   A soil stockpile is formed with excavated topsoil during the construction of buildings or infrastructure. It is considered to be an important resource in construction and ecology . [ 1 ] [ 2 ] Soil is stockpiled for later use in landscaping or restoration of the region following the removal of construction infrastructure. [ 3 ]

5. Soil loss tolerance - Wikipedia

   en.wikipedia.org/wiki/Soil_loss_tolerance

   In its early stages of development, soil loss tolerance rates were inconsistent because they were obtained based on rough estimates. From 1961 to 1962, several groups of soil in the United States were designated with T rates ranging from 2 to 6 tons per acre per year. The rate was subsequently adjusted to 1 to 5 tons per acre per year. [5]

6. Soil - Wikipedia

   en.wikipedia.org/wiki/Soil

   A pH of 3.5 has one million times more hydronium ions per litre than a solution with pH of 9.5 (9.5 − 3.5 = 6 or 10 6) and is more acidic. [ 115 ] The effect of pH on a soil is to remove from the soil or to make available certain ions.

7. 5 Easy Ways to Get Rid of Leaves Without Raking - AOL

   www.aol.com/5-easy-ways-rid-leaves-100000531.html

   Removing leaves from your yard is essential for several reasons. First of all, a thick layer of leaves on your lawn acts as a barrier, blocking sunlight and air circulation essential for ...