Search results
Results from the WOW.Com Content Network
An Acrisol is a Reference Soil Group of the World Reference Base for Soil Resources (WRB). [1] It has a clay-rich subsoil and is associated with humid, tropical climates, such as those found in Brazil, and often supports forested areas. [2]
The Unified Soil Classification System (USCS) is a soil classification system used in engineering and geology to describe the texture and grain size of a soil.The classification system can be applied to most unconsolidated materials, and is represented by a two-letter symbol.
USDA soil taxonomy (ST) developed by the 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.
ISBN 978-92-5-108369-7 (PDF 2,3 MB). IUSS Working Group WRB: World Reference Base for Soil Resources 2006. World Soil Resources Reports 103. FAO, Rome 2006. ISBN 92-5-105511-4. FAO: World Reference Base for Soil Resources, by ISSS–ISRIC–FAO. World Soil Resources Reports 84. FAO, Rome 1998. ISBN 92-5-104141-5.
The AASHTO Soil Classification System was developed by the American Association of State Highway and Transportation Officials, and is used as a guide for the classification of soils and soil-aggregate mixtures for highway construction purposes.
Alfisols of the world One of the environments in which Alfisols can develop is the Temperate deciduous forest. Alfisols are a soil order in USDA soil taxonomy.Alfisols form in semi-arid to humid areas, typically under a hardwood forest cover.
Geospatial Information Agency (Indonesian: Badan Informasi Geospasial, abbreviation: BIG) is the national mapping agency of Indonesia.BIG was formerly named National Coordinator for Survey and Mapping Agency (Indonesian: Badan Koordinasi Survei dan Pemetaan Nasional, abbreviation: Bakosurtanal).
Mollisols of the world Mollisols are generally associated with the steppe biome. Mollisol is a soil type which has deep, high organic matter, nutrient-enriched surface soil (), typically between 60 and 80 cm (24-31 in) in depth.