我国风沙土的系统分类

Taxonomic Classification of Eolian Sandy Soil In China

概述了我国风沙土的特点,根据土壤剖面形态特征、土壤水分、温度状况、土壤碳酸钙、易溶盐含量及土壤的潜育表现,划分出风沙土为九个亚类:(1)淋溶性风沙土;(2)周期(半)淋溶性风沙土;(3)石灰性风沙土;(4)湿热风沙土;(5)干热风沙土;(6)盐渍化风沙土;(7)潮风沙土;(8)潜育风沙土;(9)普通风沙土。

Eolian sandy soils refers to the soil which were developed on the sandy eolian sandy parent rock, they were classified into primarosols order and sandy primarosols suborder. On the basis of morphological peculiarity of soil, soil moisture regime, soil temperature regime, soil calcium carbonate content, soluble salt content and gleyic evidence of soil, Eolian sandy soils were classified into the following subgroups: (a)luvic eolian sandy soils; (b) periodic (half) luvic eolian sandy soils; (c) haplic eolian sandy soils; (d) Calcaric eolian sandy soils; (e) Uditropic sandy soils; (f) Torric eolian sandy soils; (g)Saltific eolian sandy soils; (h) Aquic eolian sandy soils; (i) Gleyic eolian sandy soils.