plants and soil organisms. Some scientific definitions distinguish dirt from soil by restricting the former term specifically to displaced soil. Soil consists...

Soil (often stylized as SOiL) is an American alternative metal band that was formed in Chicago, Illinois in 1997. After some independent releases, the...

The Free Soil Party was a political party in the United States from 1848 to 1854, when it merged into the Republican Party. The party was focused on opposing...

Soil contamination, soil pollution, or land pollution as a part of land degradation is caused by the presence of xenobiotic (human-made) chemicals or other...

Soil liquefaction occurs when a cohesionless saturated or partially saturated soil substantially loses strength and stiffness in response to an applied...

Soil salinity is the salt content in the soil; the process of increasing the salt content is known as salinization. Salts occur naturally within soils...

Soil erosion is the denudation or wearing away of the upper layer of soil. It is a form of soil degradation. This natural process is caused by the dynamic...

up soil in Wiktionary, the free dictionary. Soil is a naturally occurring granular covering on the surface of Earth, capable of supporting life. Soil may...

Soil science is the study of soil as a natural resource on the surface of the Earth including soil formation, classification and mapping; physical, chemical...

Soil fertility refers to the ability of soil to sustain agricultural plant growth, i.e. to provide plant habitat and result in sustained and consistent...

The Soil Stradivarius (pronounced [swal]) of 1714 is an antique violin made by Italian luthier Antonio Stradivari of Cremona (1644–1737). It is one of...

A soil horizon is a layer parallel to the soil surface whose physical, chemical and biological characteristics differ from the layers above and beneath...

Black soil may refer to: Chernozem, fertile black soils found in eastern Europe, Russia, India and the Canadian prairies Muck (soil), a soil made up primarily...

Soil pH is a measure of the acidity or basicity (alkalinity) of a soil. Soil pH is a key characteristic that can be used to make informative analysis both...

A soil type is a taxonomic unit in soil science. All soils that share a certain set of well-defined properties form a distinctive soil type. Soil type...

A soil block is a block (rectangular lump) of soil, with or without additional modifying ingredients. Soil blocking is the act of making such blocks. There...

Blood and soil (German: Blut und Boden) is a nationalist slogan expressing Nazi Germany's ideal of a racially defined national body ("Blood") united with...

Soil quality refers to the condition of soil based on its capacity to perform ecosystem services that meet the needs of human and non-human life. Soil...

applied to soil or to plant tissues to supply plant nutrients. Fertilizers may be distinct from liming materials or other non-nutrient soil amendments...

Red soil is a type of soil that typically develops in warm, temperate, and humid climates and comprises approximately 13% of Earth's soils. It contains...

Soil formation, also known as pedogenesis, is the process of soil genesis as regulated by the effects of place, environment, and history. Biogeochemical...

Night soil is a historically used euphemism for human excreta collected from cesspools, privies, pail closets, pit latrines, privy middens, septic tanks...

particular needs. The Soil Units (106) were mapped as Soil Associations, designated by the dominant soil unit: with soil phases (soil properties, such as...

In soil science, soil gradation is a classification of a coarse-grained soil that ranks the soil based on the different particle sizes contained in the...

Soil survey, or soil mapping, is the process of classifying soil types and other soil properties in a given area and geo-encoding such information. Soil...

Soil microbiology is the study of microorganisms in soil, their functions, and how they affect soil properties. It is believed that between two and four...

Alkali, or Alkaline, soils are clay soils with high pH (greater than 8.5), a poor soil structure and a low infiltration capacity. Often they have a hard...

A soil test is a laboratory or in-situ analysis to determine the chemical, physical or biological characteristics of a soil. Possibly the most widely...

the action of surface processes (such as water flow or wind) that removes soil, rock, or dissolved material from one location on the Earth's crust and then...

Soiling may refer to: Soiling (solar energy), the accumulation of material on light-collecting surfaces in solar energy systems Fecal incontinence, a...