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Types of soi

Acid Sulfate ​Soil​
Acid Sulfate ​Soil​

Potentially acid sulfate soils (also called cat-clays) are often not cultivated or, if they are, planted with rice, so that the soil can be kept wet preventing oxidation.

Akadama​
Akadama​

Akadama (赤玉土, akadamatsuchi, red ball earth) is a naturally occurring, granular clay-like mineral used as soil for bonsai trees and other container-grown plants. It is surface-mined, immediately sifted and bagged, and supplied in various grades: the deeper-mined grade being somewhat harder and more useful in horticulture than the more shallow-mined grades.

Alfisol​
Alfisol​

Alfisol: Alfisol, one of the 12 soil orders in the U.S. Soil Taxonomy. Alfisols are arable soils with water content adequate for at least three consecutive months of the growing season.

Andisol​
Andisol​

Andisol, one of the 12 soil orders in the U.S. Soil Taxonomy. Andisols are defined by the single property of having volcanic-ash parent material. Although these soils exist in all climatic regions, they account for less than 0.75 percent of all the nonpolar continental land area on Earth.

Andosol​
Andosol​

Andosol: Andosol, one of the 30 soil groups in the classification system of the Food and Agriculture Organization (FAO). Andosols are highly porous, dark-coloured soils developed from parent material of volcanic origin, such as volcanic ash, tuff, and pumice.

Anthrosol​
Anthrosol​

Anthrosol, one of the 30 soil groups in the classification system of the Food and Agriculture Organization (FAO). Anthrosols are defined as any soils that have been modified profoundly by human activities, including burial, partial removal, cutting and filling, waste disposal, manuring, and irrigated agriculture.

Antigo​
Antigo​

Antigo soils are among the most extensive soils in Wisconsin. They occur on about 300,000 acres (1,200 km²) in the northern part of the State.

Aridisol​
Aridisol​

Aridisol: Aridisol, one of the 12 soil orders in the U.S. Soil Taxonomy. Aridisols are dry, desertlike soils that have low organic content and are sparsely vegetated by drought- or salt-tolerant plants.

Bama​
Bama​

Bama is the official state soil of Alabama. The Professional Soil Classifiers Association of Alabama adopted a resolution at its 1996 annual meeting recommending the Bama Soil Series as the state soil.

Bay mud​
Bay mud​

Bay mud consists of thick deposits of soft, unconsolidated silty clay, which is saturated with water; these soil layers are situated at the bottom of certain estuaries, which are normally in temperate regions that have experienced cyclical glacial cycles.

image: snipview.com
Berkshire​
Berkshire​

Berkshire (/ ˈ b ɑːr k ʃ ər /, abbreviated Berks, in the 17th century sometimes spelled Barkeshire as it is pronounced) is a county in south east England, west of London and is one of the home counties.

image: khoahoc.tv
Blandford​
Blandford​

Ski Butternut has completed the purchase of Blandford Ski Area, LLC from the Springfield Ski Club. Ski Blandford will be open to the public for the 2018-2019 ski ...

image: quazoo.com
Brickearth​
Brickearth​

Brickearth is a superficial deposit of homogeneous loam or silt deposited during the Pleistocene geological period. Brickearth typically occurs in discontinuous spreads, across southern England and South Wales, south of a line from Pembroke in the west to Essex in the east in depths of up to a metre.

Brown Earth​
Brown Earth​

Brown earth is a type of soil. Brown earths are mostly located between 35° and 55° north of the Equator. The largest expanses cover western and central Europe, large areas of western and trans-Uralian Russia, the east coast of America and eastern Asia.

Brown ​Podzolic​
Brown ​Podzolic​

Brown podzolic soils are a subdivision of the Podzolic soils in the British soil classification. Although classed with podzols because they have an iron-rich, or spodic horizon, they are, in fact intermediate between podzols and Brown earths.

image: snipview.com
Calcisol​
Calcisol​

Calcisol, one of the 30 soil groups in the classification system of the Food and Agriculture Organization (FAO). Calcisols are characterized by a layer of translocated (migrated) calcium carbonate—whether soft and powdery or hard and cemented—at some depth in the soil profile.

Cambisol​
Cambisol​

Cambisol, one of the 30 soil groups in the classification system of the Food and Agriculture Organization (FAO). Cambisols are characterized by the absence of a layer of accumulated clay, humus, soluble salts, or iron and aluminum oxides.

Casa Grande​
Casa Grande​

The Casa Grande series was first identified in 1936. It is named after the city of Casa Grande and the nearby Casa Grande National Monument, home of a large earthen building constructed by the Hohokam Indians nearly 1,000 years ago.

Cecil​
Cecil​

Originally mapped in Cecil County, Maryland in 1899, more than 10 million acres (40,000 km²) of the Cecil soil series (Fine, kaolinitic, thermic Typic Kanhapludults) are now mapped in the Piedmont region of the southeastern United States.

Charlottetown​
Charlottetown​

Book your tickets online for the top things to do in Charlottetown, Canada on TripAdvisor: See 7,289 traveler reviews and photos of Charlottetown tourist attractions. Find what to do today, this weekend, or in June.

Chernozem​
Chernozem​

The only true Chernozem in Australia is located around Nimmitabel producing some of the richest soils in the nation. There is a large black market for the soil in Ukraine, where it is known as chornozem (Ukrainian: чорно́зем, translit. chornózem).

Clay​
Clay​

Clay soil can feel like a curse to gardeners and can be difficult to plant, shovel or till. When it is compacted, it is nearly impossible to break up using only physical strength. Different machinery may be able to provide a better option for tilling and shoveling the clay soil.

source: reference.com
Claypan​
Claypan​

In geology, a claypan is a dense, compact, slowly permeable layer in the subsoil having a much higher clay content than the overlying material, from which it is separated by a sharply defined boundary. Claypans are usually hard when dry, and plastic and sticky when wet. They limit or slow the downward movement of water through the soil.

image: snipview.com
Downer​
Downer​

Downer soils occur on 291,319 acres in New Jersey. These soils are dominantly in the 11 counties of southern New Jersey. The Downer Series was first recognized and established as a soil series back in 1960 in Gloucester County, New Jersey.

source: nrcs.usda.gov
Entisol​
Entisol​

An entisol has no diagnostic horizons, and most are basically unaltered from their parent material, which can be unconsolidated sediment or rock. Entisols are the second most abundant soil order (after inceptisols), occupying about 16% of the global ice-free land area.

Expansive ​Clay​
Expansive ​Clay​

What is an "Expansive Soil"? Expansive soils contain minerals such as smectite clays that are capable of absorbing water. When they absorb water, they increase in volume. The more water they absorb, the more their volume increases. Expansions of ten percent or more are not uncommon.

source: geology.com
image: quazoo.com
Fill Dirt​
Fill Dirt​

Fill. The material called fill dirt, or only fill, typically contains topsoil, but it also contains rocky subsoil and lots of other material in a mixture without a standard composition. When farmland, forests or old roadbeds are cleared, the materials, organic or not, all go into the same pile.

Flatwood​
Flatwood​

Flatwoods are an ecosystem maintained by wildfire or prescribed fire and are dominated by longleaf pine (Pinus palustris), and slash pine (Pinus elliotii) in the tree canopy and saw palmetto (Serenoa repens), gallberry (Ilex glabra) and other flammable evergreen shrubs in the understory, along with a high diversity of herb species.

Fluvisol​
Fluvisol​

Luvisol: Luvisol, one of the 30 soil groups in the classification system of the Food and Agriculture Organization (FAO). The mixed mineralogy, high nutrient content, and good drainage of these soils make them suitable for a wide range of agriculture, from grains to orchards to vineyards. Luvisols form on

Fuller's Earth​
Fuller's Earth​

Fuller's earth is any clay material that has the capability to decolorize oil or other liquids without chemical treatment. Fuller's earth typically consists of palygorskite or bentonite. Modern uses of fuller's earth include absorbents for oil, grease, and animal waste and as a carrier for pesticides and fertilizers. Minor uses include filtering, clarifying, and decolorizing; active and inactive ingredient in beauty products; and as a filler in paint, plaster, adhesives, and pharmaceuticals.

Gelisol​
Gelisol​

The word "gelisol" comes from the Latin gelare meaning "to freeze", a reference to the process of cryoturbation that occurs from the alternating thawing and freezing characteristic of gelisols. In United Nations Food and Agriculture Organization soil classification system, gelisols are known as cryosols.

Gleysol​
Gleysol​

Gleysol, one of the 30 soil groups in the classification system of the Food and Agriculture Organization (FAO). Gleysols are formed under waterlogged conditions produced by rising groundwater. In the tropics and subtropics they are cultivated for rice or, after drainage, for field crops and trees.

image: flickr.com
Histosol​
Histosol​

In both the FAO soil classification and the USDA soil taxonomy, a histosol is a soil consisting primarily of organic materials. They are defined as having 40 centimetres (16 in) or more of organic soil material in the upper 80 centimetres (31 in).

image: soils.org
Houston Black​
Houston Black​

Houston black soil extends over 1,500,000 acres (6,100 km 2) of the Texas blackland prairies and is the Texas state soil. The series is composed of expansive clays and is considered one of the classic vertisols.

Hydric Soil​
Hydric Soil​

Hydric Soils - Introduction Definition The definition of a hydric soil is a soil that formed under conditions of saturation, flooding or ponding long enough during the growing season to develop anaerobic conditions in the upper part.

source: nrcs.usda.gov
Hydrophobic ​Soil​
Hydrophobic ​Soil​

Hydrophobic soil – soil that is hydrophobic – causes water to collect on the soil surface rather than infiltrate into the ground. Wild fires generally cause soils to be hydrophobic temporarily, which increases water repellency, surface runoff and erosion in post-burn sites.

Inceptisol​
Inceptisol​

Inceptisol, one of the 12 soil orders in the U.S. Soil Taxonomy. Inceptisols are soils of relatively new origin and are characterized by having only the weakest appearance of horizons, or layers, produced by soil-forming factors.

Jory​
Jory​

Soil profile The Jory series consists of very deep, well-drained soils that formed in colluvium derived from basic igneous rock. These soils are in the foothills surrounding the Willamette Valley of the United States.

Kalkaska ​Sand​
Kalkaska ​Sand​

MICHIGAN’S STATE SOIL~~~KALKASKA SAND. Why and How? A selection process for picking the State Soil from over 400 other Soil Series was started in the 1970's.

source: geo.msu.edu
Kastanozems​
Kastanozems​

Kastanozem: Kastanozem, one of the 30 soil groups in the classification system of the Food and Agriculture Organization (FAO). Kastanozems are humus-rich soils that were originally covered with early-maturing native grassland vegetation, which produces a characteristic brown surface layer. They are found in

Latosol​
Latosol​

Latosol is a name given to soils found under tropical rainforests with a relatively high content of iron and aluminium oxides. They are typically classified as oxisols (USDA soil taxonomy)or ferralsols (World Reference Base for Soil Resources).

image: flickr.com
Leptosol​
Leptosol​

Leptosol, one of the 30 soil groups in the classification system of the Food and Agriculture Organization (FAO). Leptosols are soils with a very shallow profile depth (indicating little influence of soil-forming processes), and they often contain large amounts of gravel.

Lixisol​
Lixisol​

Lixisol, one of the 30 soil groups in the classification system of the Food and Agriculture Organization (FAO). Lixisols develop on old landscapes in a tropical climate with a pronounced dry season. Their age and mineralogy have led to low levels of plant nutrients and a high erodibility, making agriculture possible only with frequent fertilizer applications, minimum tillage, and careful erosion control.

Loam​
Loam​

Basically, loam is a soil comprised of almost equal amounts of sand and silt and a little less clay. Of the three components, sand particles are the largest. Sand does not hold onto moisture, but it provides good aeration.

source: thespruce.com
Loess​
Loess​

Loess is homogeneous, porous, friable, pale yellow or buff, slightly coherent, typically non-stratified and often calcareous. Loess grains are angular with little polishing or rounding and composed of crystals of quartz, feldspar, mica and other minerals. Loess can be described as a rich, dust-like soil.

Mesotrophic ​Soil​
Mesotrophic ​Soil​

Mesotrophic soils are soils with a moderate inherent fertility. An indicator of soil fertility is its base status, which is expressed as a ratio relating the major nutrient cations (calcium, magnesium, potassium and sodium) found there to the soil's clay percentage.

Miami​
Miami​

The Miami soil series is the state soil of Indiana. The less sloping Miami soils are used mainly for corn, soybeans, or winter wheat. The steeper areas are used as pasture, hayland, or woodland.

Mollisol​
Mollisol​

Mollisols are a soil order in USDA soil taxonomy. Mollisols form in semi-arid to semi-humid areas, typically under a grassland cover. They are most commonly found in the mid-latitudes, namely in North America, mostly east of the Rocky Mountains, in South America in Argentina and Brazil, and in Asia in Mongolia and the Russian Steppes.

Muskeg​
Muskeg​

The Muskeg variety of soil is a component of nutrient-poor peat lands. It has the characteristic features of being acidic, scattered, and saturated peat, and is found in the stunted coniferous forests that are set up in a matrix form, containing shorter ericaceous shrubs.

Narragansett​
Narragansett​

Narragansett soils are loamy soils occurring in the northeastern United States. Name “Narragansett” is the name of the town where the soil was first ...

image: snipview.com