Main Title |
Forest Soil Response to Acid and Salt Additions of Sulfate. 1. Sulfur Constituents and Net Retention. |
Author |
David, M. B. ;
Fasth, W. J. ;
Vance, G. F. ;
|
CORP Author |
Illinois Univ. at Urbana-Champaign. Dept. of Forestry.;Corvallis Environmental Research Lab., OR. |
Publisher |
c1991 |
Year Published |
1991 |
Report Number |
EPA/600/J-91/229; |
Stock Number |
PB92-108182 |
Additional Subjects |
Forest land ;
Soil analysis ;
Acidification ;
Sulfates ;
Salts ;
Land pollution ;
Adsorption ;
Environmental effects ;
Mineralization ;
Desorption ;
Immobilization ;
Experimental design ;
pH ;
Environmental transport ;
Water pollution ;
Ecosystems ;
Soil chemistry ;
Reprints ;
|
Holdings |
Library |
Call Number |
Additional Info |
Location |
Last Modified |
Checkout Status |
NTIS |
PB92-108182 |
Some EPA libraries have a fiche copy filed under the call number shown. |
|
07/26/2022 |
|
Collation |
12p |
Abstract |
The authors used soil columns constructed from a Maine Spodosol and Illinois Alfisol to investigate the retention of SO4(2-) added as Na2SO4 or H2SO4. Both organic and inorganic S pools were examined to determine how retention of added SO4(2-) was influenced by both mineralization/immobilization and adsorption/desorption processes. Forty columns were leached weekly for a year with simulated throughfall solutions containing base cations (Ca(2+), Mg(2+), K(+), Na(+), NH4(+), NO3(-), Cl(-), and either 80, 280, or 1080 microeq SO4(2-)/L for varying periods. At the conclusion of the experiment acid and control columns were destructively sampled by depth increments to examine organic (C-bonded S and ester sulfate) and extractable SO4(2-) concentrations, as well as soil pH. For all Spodosol columns, SO4(2-) adsorption by the B horizon was the dominant process of SO4(2-) retention; no changes in organic S pools were observed. Soils in acid columns retained greater SO4(2-) than salt columns, most likely due to pH dependent adsorption. However, all Spodosols retained large amounts of SO4(2-). In the Alfisol SO4(2-) retention was lower than in the Spodosols (<25%) due to a limited SO4(2-) adsorption capacity; mineralization of C- bonded S resulted in S inputs nearly equaling outputs. Although organic S was the dominant S pool in both soils, there was little mineralization overall, and inorganic adsorption appeared to be the primary process of SO4(2-) retention. (Copyright (c) 1991 by Williams & Wilkins.) |
Supplementary Notes |
Pub. in Soil Science, v151 n2 p136-145 1991. Sponsored by Corvallis Environmental Research Lab., OR. |
NTIS Title Notes |
Journal article. |
Title Annotations |
Reprint: Forest Soil Response to Acid and Salt Additions of Sulfate. 1. Sulfur Constituents and Net Retention. |
Category Codes |
68; 48E; 48D; 57H; 99F |
NTIS Prices |
PC A03/MF A01 |
Primary Description |
600/02 |
Document Type |
NT |
Cataloging Source |
NTIS/MT |
Control Number |
133919651 |
Origin |
NTIS |
Type |
CAT |