| 释义 |
solum|ˈsəʊləm|
[L. solum ground.]
1. Soil, ground. (Chiefly Sc. Law.)
1829in P. Shaw Reports VII. 363 A right of absolute..property in the solum. 1894J. Macintosh Ayrshire Nts.' Entert. xi. 199 The solum of the old road having been assigned to the respective proprietors. 1905Proc. Antiq. Soc. Scotl. XXXIX. 346 The Abertay Sands..bid fair by and by to enlarge..the solum of this tract of country.
2. Soil Science. (Pl. solums, sola.) The upper part of a soil profile, in which the soil-forming processes predominantly occur; spec. the A and B horizons. [Introduced (as G. solumhorizont solum horizon) by B. Frosterus 1922, in Compt. Rend. de la Conf. Extraordinaire (IIIème Internat.) Agropédologique (1924) 361.]
1928Proc. & Papers 1st Internat. Congr. Soil Sci. IV. 7 To the soil body has been given definitely the status of a well defined concept by the application to it of a name consisting of a single term, the Solum, by Frosterus. 1942Technical Bull. U.S. Dept. Agric. No. 834. 49 All but small quantities or traces [of carbonates] are leached from the solums of all but the Clyde profile. 1956Soil Sci. LXXXII. 451 In the coarser sand fractions (0.5–2mm.) weatherable mineral material such as granite, diorite, and basalt is abundant in all horizons of the sola. 1972J. G. Cruickshank Soil Geogr. ii. 41 The minimum moisture storage in the solum will be equivalent to between 10 and 15 cm water per unit area. |