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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.
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.
The Food and Agriculture Organization of the United Nations (FAO) developed a supra-national classification, which offers useful generalizations about pedogenesis in relation to the interactions between the main soil-forming factors.
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.
The Ministry of National Development Planning/National Development Planning Agency (Indonesian: Kementerian Perencanaan Pembangunan Nasional/Badan Perencanaan Pembangunan Nasional) (abbreviated PPN/Bappenas) is a ministry of the Republic of Indonesia that has the task to oversee government affairs in the field of national development planning to assist the President in organizing state ...
This subdivisions is a local level of government beneath the provincial level. However, they enjoy greater decentralisation of affairs than the provincial body, such as provision of public schools and public health facilities. They were formerly known collectively as Daerah Tingkat II (Level II Region). [14]
The National Land Code (Malay: Kanun Tanah Negara), is a Malaysian laws which enacted to amend and consolidate the laws relating to land and land tenure, the registration of title to land and of dealings therewith and the collection of revenue therefrom within the States of Johore, Kedah, Kelantan, Malacca, Negeri Sembilan, Pahang, Penang, Perak, Perlis, Selangor, Terengganu and the Federal ...
The Atterberg limits are a basic measure of the critical water contents of a fine-grained soil: its shrinkage limit, plastic limit, and liquid limit.. Depending on its water content, soil may appear in one of four states: solid, semi-solid, plastic and liquid.