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Loam field

Loam is soil composed of sand, silt, and clay in relatively even concentration (about 40-40-20% concentration respectively), considered ideal for gardening and agricultural uses. Loam soils generally contain more nutrients and humus than sandy soils, have better infiltration and drainage than silty soils, and are easier to till than clay soils.

Loams are gritty, moist, and retain water easily. Loam is ideal for growing crops because it retains nutrients well and retains water while still allowing the water to flow freely. This soil is found in a majority of successful farms in regions around the world known for their fertile land. Loam soil feels mellow and is easy to work over a wide range of moisture conditions.

Different proportions of sand, silt, and clay give rise to types of loam soils: sandy loam, silty loam, clay loam, sandy clay loam, silty clay loam, and loam. A soil dominated by one or two of the three particle size groups can behave like loam if it has a strong granular structure, promoted by a high content of organic matter. However, a soil that meets the textural definition of loam can lose its characteristic desirable qualities when it is compacted, depleted of organic matter, or has clay dispersed throughout its fine-earth fraction.

In house construction

Loam is also used for the construction of houses. Walls covered inside with a layer of loam work well to control air humidity. Loam, combined with straw, is used as a construction material to build walls.

See also

External links



Loam is soil composed of sand, silt, and clay in relatively even concentration (about 40-40-20% concentration respectively).[1] Loam soils generally contain more nutrients and humus than sandy soils, have better infiltration and drainage than silty soils, and are easier to till than clay soils. Loams are gritty, moist, and retain water easily.

Loam is considered ideal[by whom?] for gardening and agricultural uses because it retains nutrients well and retains water while still allowing the water to flow freely. This soil is found in a majority of successful farms in regions around the world known for their fertile land. Loam soil feels soft and rich and is easy to work over a wide range of moisture conditions.There are many different types of loam soils, each with slightly different characteristics, and with some draining liquids more efficiently than others.

Different proportions of sand, silt, and clay give rise to types of loam soils: sandy loam, silty loam, clay loam, sandy clay loam, silty clay loam, and loam.[1] A soil dominated by one or two of the three particle size groups can behave like loam if it has a strong granular structure, promoted by a high content of organic matter. However, a soil that meets the textural definition of loam can lose its characteristic desirable qualities when it is compacted, depleted of organic matter, or has clay dispersed throughout its fine-earth fraction.

Contents

Use in house construction

Loam may be used for the construction of houses. Construction crews can build a layer of loam on the inside of walls, which can help to control air humidity. Loam, combined with straw, can be used as a rough construction material to build walls.

See also

External links

References

  1. ^ a b Kaufmann, Robert K.; Cutler J. Cleveland (2008). Environmental Science. McGraw-Hill. pp. 318–319. ISBN 978-0-07-298429-5. 

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Source material

Up to date as of January 22, 2010

From Wikisource

Cornhuskers by Carl Sandburg
Loam
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IN the loam we sleep,
In the cool moist loam,
To the lull of years that pass
And the break of stars,

From the loam, then,
The soft warm loam,
  We rise:
To shape of rose leaf,
Of face and shoulder.

  We stand, then,
  To a whiff of life,
Lifted to the silver of the sun
Over and out of the loam
  A day.


1911 encyclopedia

Up to date as of January 14, 2010

From LoveToKnow 1911

'LOAM (O.E.' lam; the word appears in Dut. leem and Ger. Lehm; the ultimate origin is the root lai-, meaning "to be sticky," which is seen in the cognate "lime," Lat. limus, mud, clay), a fertile soil composed of a mixture of sand, clay, and decomposed vegetable matter, the quantity of sand being sufficient to prevent the clay massing together. The word is also used of a mixture of sand, clay and straw, used for making casting-moulds and bricks, and for plastering walls, &c. (see Soil).


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