释义 |
sierozem Soil Sci.|ˈsɪərəʊzɛm| Also serozem. [ad. Russ. serozém, f. sérȳĭ grey + zemlyá earth, soil.] A type of soil, usu. calcareous and poor in organic material, that is characterized by a brownish-grey surface horizon grading into harder, carbonate-rich lower layers, and is developed typically under mixed shrub vegetation in arid climates.
1934Soil Sci. XXXVIII. 485 On the steeper, and consequently drier, slopes sierozems (gray soils) are developed. 1965B. T. Bunting Geogr. Soil xii. 142 The cooler Russian and Argentine deserts have light grey serozem. 1976H. E. Dregne Soil of Arid Regions 79 A typical Serozem..from near Isfahan in Iran..had a 1 cm. thick desert pavement of fairly angular volcanic rocks overlying a loose, light brownish-gray, coarse sandy loam 4 cm. thick. 1977J. C. F. Tedrow Soils of Polar Landscapes viii. 138 Traditionally, pedologists have focused their taxonomic investigations on the mature terrestric soils—Podzol, Chernozem, Sierozem, and so forth. |