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Loam

Index Loam

Loam is soil composed mostly of sand (particle size > 63 µm), silt (particle size > 2 µm), and a smaller amount of clay (particle size These proportions can vary to a degree, however, and result in different types of loam soils: sandy loam, silty loam, clay loam, sandy clay loam, silty clay loam, and loam. In the USDA textural classification triangle, the only soil that is not predominantly sand, silt, or clay is called "loam". Loam soils generally contain more nutrients, moisture, and humus than sandy soils, have better drainage and infiltration of water and air than silt and clay-rich soils, and are easier to till than clay soils. The different types of loam soils each have slightly different characteristics, with some draining liquids more efficiently than others. The soil's texture, especially its ability to retain nutrients and water are crucial. Loam soil is suitable for growing most plant varieties. Bricks made of loam, mud, sand, and water, with an added binding material such as rice husks or straw, have been used in construction since ancient times. [1]

17 relations: Adobe, Clay, Cornell University, Grain size, Great Mosque of Djenné, Humus, Loess, Micrometre, Particle size, Purdue University, Rammed earth, Sand, Silt, Soil, Tillage, Timber framing, United States Department of Agriculture.

Adobe

Adobe is a building material made from earth and other organic materials.

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Clay

Clay is a finely-grained natural rock or soil material that combines one or more clay minerals with possible traces of quartz (SiO2), metal oxides (Al2O3, MgO etc.) and organic matter.

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Cornell University

Cornell University is a private and statutory Ivy League research university located in Ithaca, New York.

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Grain size

Grain size (or particle size) is the diameter of individual grains of sediment, or the lithified particles in clastic rocks.

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Great Mosque of Djenné

The Great Mosque of Djenné (Grande mosquée de Djenné, الجامع الكبير في جينيه) is a large banco or adobe building that is considered by many architects to be one of the greatest achievements of the Sudano-Sahelian architectural style.

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Humus

In soil science, humus (derived in 1790–1800 from the Latin humus for earth, ground) denominates the fraction of soil organic matter that is amorphous and without the "cellular cake structure characteristic of plants, micro-organisms or animals." Humus significantly affects the bulk density of soil and contributes to its retention of moisture and nutrients.

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Loess

Loess (from German Löss) is a clastic, predominantly silt-sized sediment that is formed by the accumulation of wind-blown dust.

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Micrometre

The micrometre (International spelling as used by the International Bureau of Weights and Measures; SI symbol: μm) or micrometer (American spelling), also commonly known as a micron, is an SI derived unit of length equaling (SI standard prefix "micro-".

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Particle size

Particle size is a notion introduced for comparing dimensions of solid particles (flecks), liquid particles (droplets), or gaseous particles (bubbles).

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Purdue University

Purdue University is a public research university in West Lafayette, Indiana and is the flagship campus of the Purdue University system.

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Rammed earth

Rammed earth, also known as taipa in Portuguese, tapial or tapia in Spanish, pisé (de terre) in French, and hangtu, is a technique for constructing foundations, floors, and walls using natural raw materials such as earth, chalk, lime, or gravel.

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Sand

Sand is a naturally occurring granular material composed of finely divided rock and mineral particles.

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Silt

Silt is granular material of a size between sand and clay, whose mineral origin is quartz and feldspar.

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Soil

Soil is a mixture of organic matter, minerals, gases, liquids, and organisms that together support life.

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Tillage

Tillage is the agricultural preparation of soil by mechanical agitation of various types, such as digging, stirring, and overturning.

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Timber framing

Timber framing and "post-and-beam" construction are traditional methods of building with heavy timbers, creating structures using squared-off and carefully fitted and joined timbers with joints secured by large wooden pegs.

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United States Department of Agriculture

The United States Department of Agriculture (USDA), also known as the Agriculture Department, is the U.S. federal executive department responsible for developing and executing federal laws related to farming, forestry, and food.

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Redirects here:

Clay loam, Loam soil, Loams, Loamy, Loamy soil, Sandy loam, Silt loam.

References

[1] https://en.wikipedia.org/wiki/Loam

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