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
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页码：337 / 342
页数：6
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