SULFUR FRACTIONS AND RETENTION MECHANISMS IN FOREST SOILS

被引：34

作者：

AUTRY, AR

FITZGERALD, JW

CALDWELL, PR

机构：

[1] UNIV GEORGIA,DEPT MICROBIOL,ATHENS,GA 30602

[2] UNIV GEORGIA,INST ECOL,ATHENS,GA 30602

来源：

CANADIAN JOURNAL OF FOREST RESEARCH-REVUE CANADIENNE DE RECHERCHE FORESTIERE | 1990年 / 20卷 / 03期

关键词：

D O I：

10.1139/x90-049

中图分类号：

S7 [林业];

学科分类号：

0829 ; 0907 ;

摘要：

The relevance of organosulfur formation and sulfate adsorption as S retention mechanisms in forest soils based upon the sulfur status of samples collected by horizon was investigated. Several forests of varying elevation, vegetation, location, and soil type were considered. Organic S was found to constitute over 78% of total S in the uppermost mineral (0-20cm; A,E) horizons. Because organic S was the dominant form of S, irrespective of horizon, the data suggest that organosulfur formation, not sulfate adsorption, may represent the primary mechanism for S retention in forest soil. -from Authors

引用

页码：337 / 342

页数：6

共 32 条

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