The World Reference Base for Soil Resources (WRB) is an international soil classification system for naming soils and creating legends for soil maps....
27 KB (3,815 words) - 15:07, 11 February 2025
Chernozem (redirect from Black Soil)
Chernozemic soils are a soil type in the Canadian system of soil classification and the World Reference Base for Soil Resources (WRB). Chernozemic soil type...
17 KB (1,640 words) - 06:33, 11 June 2025
Podzol (redirect from Podsol soil)
"World Reference Base for Soil Resources, fourth edition" (PDF). International Union of Soil Sciences, Vienna. Retrieved 2023-08-18. "Keys to Soil Taxonomy...
18 KB (1,881 words) - 06:43, 30 April 2025
horizons", for the definition; examples are the World Reference Base for Soil Resources (WRB), the USDA soil taxonomy and the Australian Soil Classification...
48 KB (6,492 words) - 08:58, 31 May 2025
developed, such as USDA soil taxonomy and the World Reference Base for Soil Resources, which use taxonomic criteria involving soil morphology and laboratory...
21 KB (2,385 words) - 10:25, 25 April 2025
Gelisol (redirect from Cryosol soil)
Pedogenesis Pedology (soil study) Soil classification IUSS Working Group WRB (2022). "World Reference Base for Soil Resources, fourth edition" (PDF)...
6 KB (655 words) - 14:09, 24 January 2025
the World Reference Base for Soil Resources (WRB) and the USDA soil taxonomy. Other systems do not ask whether the properties are the result of soil formation...
5 KB (535 words) - 07:43, 25 April 2025
information. In 1998, the World Reference Base for Soil Resources (WRB) replaced the FAO soil classification as the international soil classification system...
18 KB (2,050 words) - 18:19, 3 March 2025
Sapric (redirect from Muck (soil))
underlain by marl, or marly clay.[citation needed] The World Reference Base for Soil Resources (WRB) defines "sapric" (sa) as a histosol having less than...
8 KB (805 words) - 05:05, 16 November 2024
Luvisol (redirect from Luvisol soil)
soils, comprising one of the 32 Reference Soil Groups in the international system of soil classification, the World Reference Base for Soil Resources...
3 KB (269 words) - 07:05, 11 May 2025
Andisol (category Types of soil)
including allophane, imogolite and ferrihydrite. In the World Reference Base for Soil Resources (WRB), andisols are known as Andosols. Because they are...
4 KB (361 words) - 02:01, 19 February 2025
Vertisol (redirect from Black Cotton Soils)
A vertisol is a Soil Order in the USDA soil taxonomy and a Reference Soil Group in the World Reference Base for Soil Resources (WRB). It is also defined...
8 KB (977 words) - 22:06, 20 May 2025
Global Soil Partnership FAO Soils Portal World Reference Base for Soil Resources ISRIC – World Soil Information (ISC World Data Centre for Soils) ISRIC...
208 KB (23,093 words) - 10:52, 9 June 2025
Vertisols USDA soil taxonomy International Committee on Anthropogenic Soils (ICOMANTH) Soil types World Reference Base for Soil Resources World map using the...
4 KB (357 words) - 06:08, 27 March 2024
Ultisol (redirect from Red clay soil)
soils of the Southern United States, Ultisols are also found in regions of Africa, Asia, Australia and South America. In the World Reference Base for...
13 KB (1,392 words) - 10:45, 8 June 2025
Oxisol (category Types of soil)
within 25 degrees north and south of the Equator. In the World Reference Base for Soil Resources (WRB), they belong mainly to the ferralsols, but some are...
8 KB (881 words) - 10:35, 8 June 2025
Psamment (category Types of soil)
distinct soil horizons, and must consist entirely of material of loamy sand or coarser in texture. In the World Reference Base for Soil Resources (WRB),...
4 KB (551 words) - 20:41, 15 August 2023
Andosol (redirect from Andic soil)
Andosols are a Reference Soil Group of the World Reference Base for Soil Resources (WRB). They are closely related to other types of soils such as Vitrosols...
6 KB (661 words) - 01:01, 5 May 2025
Anthropogenic Soils (ICOMANTH) Soil Soil classification Soil horizon Soil in the United States World Reference Base for Soil Resources Donovan, Alan (1981-08-29)...
18 KB (2,127 words) - 13:57, 24 May 2025
Phaeozem (category Types of soil)
World Reference Base for Soil Resources (WRB) is a dark soil with a high base status, but without a secondary carbonates within one metre of the soil...
3 KB (223 words) - 05:37, 17 August 2023
Lixisol (category Types of soil)
Lixisols are a Reference Soil Group of the World Reference Base for Soil Resources (WRB). They are soils with subsurface accumulation of low activity...
1 KB (117 words) - 09:17, 17 August 2023
Solonetz (category Types of soil)
[səlɐˈnʲɛts]) is a Reference Soil Group of the World Reference Base for Soil Resources (WRB). They have, within the upper 100 cm of the soil profile, a so-called...
2 KB (180 words) - 10:49, 25 October 2024
Histosol (category Types of soil)
In both the World Reference Base for Soil Resources (WRB) and the USDA soil taxonomy, a Histosol is a soil consisting primarily of organic materials. They...
7 KB (734 words) - 06:40, 25 April 2025
Solonchak (category Types of soil)
Ukrainian: Солончак) is a Reference Soil Group of the World Reference Base for Soil Resources (WRB). It is a pale or grey soil type found in arid to subhumid...
1 KB (123 words) - 10:31, 31 March 2025
Alfisol (category Types of soil)
especially when nitrogenous fertilizers are used. In the World Reference Base for Soil Resources (WRB), most Alfisols are classified as Luvisols or Lixisols...
10 KB (1,266 words) - 21:54, 10 June 2025
Anthrosol (redirect from Anthropogenic soils)
An anthrosol (or anthropogenic soil) in the World Reference Base for Soil Resources (WRB) is a type of soil that has been formed or heavily modified due...
6 KB (663 words) - 22:08, 23 May 2025
Inceptisol (category Types of soil)
IUSS Working Group WRB (2015). "World Reference Base for Soil Resources 2014, Update 2015" (PDF). World Soil Resources Reports 106, FAO, Rome. "Inceptisols"...
3 KB (203 words) - 13:56, 24 January 2025
Alisol (category Types of soil)
An Alisol is a Reference Soil Group of the World Reference Base for Soil Resources (WRB). Alisols have an argic horizon, which has a high cation exchange...
2 KB (272 words) - 08:37, 15 August 2023
Aridisol (category Types of soil)
the World Reference Base for Soil Resources (WRB), most Aridisols belong to the Calcisols, Gypsisols, Durisols and Solonchaks. Aridisols of the world Some...
3 KB (268 words) - 11:16, 24 January 2025