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Soil is the loose surface material that covers most land. It consists of inorganic particles and organic matter. Soil provides the structural support for plants used in agriculture and is also their source of water and nutrients. Soils vary greatly in their chemical and physical properties. Processes such as leaching, weathering and microbial ...
Mar 25, 2022 · Soil is the medium for plant growth as it provides an anchor for plant roots and acts as a water holding tank for necessary moisture. The degradation of plant and animal matter, i.e. the release and the binding of nutrients and trace elements, is one of the most important functions of soil organisms.
Soil is the biologically active and porous medium that has developed in the uppermost layer of Earth’s crust. It serves as the reservoir of water and nutrients and a medium for the filtration and breakdown of injurious wastes. It also helps in the cycling of carbon and other elements through the global ecosystem.
10 meanings: 1. the top layer of the land surface of the earth that is composed of disintegrated rock particles, humus, water,.... Click for more definitions.
Soil is a mixture of minerals, dead and living organisms (organic materials), air, and water. These four ingredients react with one another in amazing ways, making soil one of our planet’s most dynamic and important natural resources. Soil is used by people in many ways. Because of this, it has many definitions.
soil: 1 n material in the top layer of the surface of the earth in which plants can grow (especially with reference to its quality or use) “good agricultural soil ” Synonyms: ground , land Examples: Bad Lands an eroded and barren region in southwestern South Dakota and northwestern Nebraska Everglades a large subtropical swamp in southern ...
cation exchange capacity: Operationally defined measurement of a soil's ability to exchange positive ions between the soil particles (e.g., clay, organic matter) and solution surrounding these ...
