Soils in an agricultural landscape of Jokioinen, south-western Finland

被引:29
作者
Yli-Halla, M [1 ]
Mokma, DL
机构
[1] Agr Res Ctr, FIN-31600 Jokioinen, Finland
[2] Michigan State Univ, Dept Crop & Soil Sci, E Lansing, MI 48824 USA
来源
AGRICULTURAL AND FOOD SCIENCE IN FINLAND | 2001年 / 10卷 / 01期
关键词
soil formation; artificial drainage; structure; redoximorphic features; vertic characteristics; catenas; Soil Taxonomy; FAO-Unesco System; World Reference Base for Soil Resources;
D O I
10.23986/afsci.5677
中图分类号
S [农业科学];
学科分类号
09 ;
摘要
Eleven pedons in an agricultural landscape at elevations 80-130 m above sea level in Jokioinen, south-western Finland were investigated and classified according to Soil Taxonomy, the FAO-Unesco system (FAO), and the World Reference Base for Soil Resources system (WRB). The soils were related to geomorphology of the landscape which is characterized by clayey fields and forested bedrock high areas covered with glacial till. A Spodosol/Podzol was found in a coarse-sandy soil in an esker while the sandy loam in a bedrock high area soils did not have an E horizon. A man-made mollic epipedon was found in a cultivated soil which had a sandy plow layer while clayey plow layers were ochric epipedons. Cambic horizons, identified by structure and redox concentrations, were common in cultivated soils. In a heavy clay soil, small slickensides and wedge-shaped aggregates, i.e., vertic characteristics, were found. Histosols occurred in local topographic depressions irrespective of the absolute elevation. According to the three classification systems, the following catenas are recognized: Haplocryods - Dystro/Eutrocryepts -Haplocryolls - Cryaquepts - Cryosaprisrs (Soil Taxonomy), Podzols - Regosols - Cambisols - Histosols (FAO-Unesco), and Podzols Cambisols - Phaeozems - Gleysols - Histosols (WRB).
引用
收藏
页码:33 / 43
页数:11
相关论文
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