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Technosols are found throughout the world, e.g., at or near cities, roads, mines, refuse dumps, oil spills, and coal fly ash deposits. These soils are more likely to be contaminated than other soils. Many Technosols must be treated with care as they may contain toxic substances from industrial processes.
Yes, the ashes from your wood-burning fireplace can help improve your garden soil. Wood ash has nutrients plants need, like potassium and phosphorus, so it can be a way to feed plants in your ...
Inorganic mulch can be a beautiful addition to your garden; consider the following. Seashells. If you live near an ocean, you already know that crushed seashells can make beautiful garden paths.
Silt may occur as a soil (often mixed with sand or clay) or as sediment mixed in suspension with water. Silt usually has a floury feel when dry, and lacks plasticity when wet. Silt can also be felt by the tongue as granular when placed on the front teeth (even when mixed with clay particles). Silt is a common material, making up 45% of average ...
Expansive clay, also called expansive soil, is a clay soil prone to large volume changes (swelling and shrinking) 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.
A soil survey should list the coefficient of linear extensibility (COLE) value. [2] Professional soil scientists can also analyze samples of a soil to determine its shrink-swell capacity. [2] Expansive soils will form large cracks, in roughly polygonal shapes, on the surface of the soil during dry periods. [3]
A fourth term, loam, is used to describe equal properties of sand, silt, and clay in a soil sample, and lends to the naming of even more classifications, e.g. "clay loam" or "silt loam". Determining soil texture is often aided with the use of a soil texture triangle plot. [5] An example of a soil triangle is found on the right side of the page.
Placing banana peels directly in the soil may seem like a good idea, after all, it's a way to reduce food waste and put minerals back into the soil. But you'll want to rethink your strategy.
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