USDA Soil Taxonomy

USDA Soil Taxonomy developed by United States Department of Agriculture and the National Cooperative Soil Survey provides an elaborate classification of soil types according to several parameters (most commonly their properties) and in several levels: Order, Suborder, Great Group, Subgroup, Family, and Series.

Read more about USDA Soil Taxonomy:  Example of Classification of A Soil Type, Orders

Other articles related to "usda soil taxonomy, taxonomy, soil taxonomy, soil, soils":

Classification - USDA Soil Taxonomy
... A taxonomy is an arrangement in a systematic manner ... Soil taxonomy has six categories ... The soil properties that can be measured quantitatively are used to classify soils ...
World Reference Base For Soil Resources
... The World Reference Base for Soil Resources (WRB) is the international standard taxonomic soil classification system endorsed by the International Union of Soil Sciences (IUSS) ... coordinated by the International Soil Reference and Information Centre (ISRIC) and sponsored by the IUSS and the FAO via its Land Water Development division ... It replaces the previous FAO soil classification ...
Soil - Reclamation
... Soils which contain high levels of particular clays, such as smectites, are often very fertile ... struggle to retain organic matter in the soils they work ... In recent years, for example, productivity has declined in the low-clay soils of northern Thailand ...
Soil Classification - Overview - Soil Science
... For soil resources, experience has shown that a natural system approach to classification, i.e ... grouping soils by their intrinsic property (soil morphology), behaviour, or genesis, results in classes that can be interpreted for many diverse uses ... This is in contrast to a technical system approach to soil classification, where soils are grouped according to their fitness for a specific use and their edaphic characteristics ...
USDA Soil Taxonomy - Orders
... climate Entisols — do not show any "significant" soil profile development ... Minimal soil horizons ... Gelisols — soils of very cold climates which are defined as containing permafrost within two meters of the soil surface Histosols — consist primarily of organic materials Inceptisols ...

Famous quotes containing the word soil:

    No person who examines and reflects, can avoid seeing that there is but one race of people on the earth, who differ from each other only according to the soil and the climate in which they live.
    —J.G. (John Gabriel)