pedalfer soil

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• Pedalfer — is a subdivision of the zonal soil order comprising a large group of soils in which sesquioxides increase relative to silica during soil formation. Pedalfers usually occur in humid areas. It is not used in the current United States system of soil …   Wikipedia

• pedalfer — [pi dal′fər] n. [< Gr ped(on), ground (see PEDO 2) + L al(umen),ALUM1 + L fer(rum), iron] soil containing much alumina and iron oxide and lacking calcium and magnesium carbonates: usually found in forested areas of the tropics characterized by …   English World dictionary

• pedalfer — noun Etymology: Greek pedon ground + English alumen + Latin ferrum iron Date: 1928 a soil that lacks a hardened layer of accumulated carbonates …   New Collegiate Dictionary

• pedalfer — /pi dal feuhr/, n. a soil rich in alumina and iron, with few or no carbonates. Cf. pedocal. [1925 30; PED 3 + L al(umen) ALUM + fer(rum) iron] * * * …   Universalium

• pedalfer — noun /pəˈdælfər/ Soil containing aluminum and iron that lacks a hardened layer of carbonates …   Wiktionary

• pedalfer — /pəˈdælfə/ (say puh dalfuh) noun a type of soil lacking in lime but containing accumulations of aluminium and iron components. {Greek ped(on) ground + al(uminium) + Latin fe(rrum) iron} …  

• 1938 USDA soil taxonomy — The 1938 USDA soil taxonomy was a soil classification system adopted by the United States Department of Agriculture, now obsolete. The classification system used previously was developed and published in 1936 by C.F. Marbut, who was chief of the… …   Wikipedia

• U.S. Soil Taxonomy — ▪ Table U.S. Soil Taxonomy soil order defining characteristics name derivation percent of Earth s land area* Alfisol moderate leaching; B horizon enriched in clay; humid forest vegetation Pedalfer (C.F. Marbut) 9.77                   Andisol… …   Universalium

• Pedocal — is a subdivision of the zonal soil order. It is a class of soil which forms in semiarid and arid regions. It is rich in calcium carbonate and has low soil organic matter. With only a thin A horizon (topsoil), and intermittent precipitation… …   Wikipedia

• ped- — I. combining form or pedi or pedo Etymology: ped , pedi from Latin, from ped , pes foot; pedo from ped + o more at foot 1 …   Useful english dictionary

• Edafología — Saltar a navegación, búsqueda La edafología (del griego ἔδαφος, edafos, suelo , λογία, logía, estudio , tratado ) es una rama de la ciencia del suelo que estudia la composición y naturaleza del suelo en su relación con las plantas y el entorno… …   Wikipedia Español