单词 | sierozem |
释义 | sierozemn. Soil Science. A type of soil, usually 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. ΘΚΠ the world > the earth > structure of the earth > constituent materials > earth or soil > kind of earth or soil > [noun] > other soils white earth1448 Chiltern?1530 light land1589 deads1653 rosil1691 moorland1753 prairie soil1817 residuum1828 rendzina1905 podzol1908 solonetz1924 solod1925 solonchak1925 pedalfer1928 pedocal1928 skeletal soil1932 peloid1933 sierozem1934 planosol1938 lithosol1939 regosol1949 andosol1958 Alfisol1960 Aridisol1960 Histosol1960 Spodosol1960 Andisol1978 1934 Soil Sci. XXXVIII. 485 On the steeper, and consequently drier, slopes sierozems (gray soils) are developed. 1965 B. T. Bunting Geogr. Soil xii. 142 The cooler Russian and Argentine deserts have light grey serozem. 1976 H. 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. 1977 J. 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. This entry has not yet been fully updated (first published 1986; most recently modified version published online December 2020). < n.1934 |
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