Environmental parameters regulating sulfur retention in a variety of forest soils
Thesis/Dissertation
·
OSTI ID:6154018
Field incubations utilizing /sup 35/S-labelled sulfate were conducted in a white pine and a hardwood forest. The A horizon soil formed approximately 3.0 nmol of organic S g/sup -1/ dry weight, which did not differ significantly from results obtained in similarly designed laboratory incubations. Total intrinsic S in this horizon contained substantial amounts of sulfonate S and ester sulfate, and organic /sup 35/S fractions in several linkage groups were found to predominate following field incubation. Capacities for sulfate adsorption, organic S formation and organic S mineralization were assayed for 01/02, A1, E2 and Bh horizons of a coastal pine forest. A1 horizon soil from various locations within New Mexico National Forests adsorbed 1.2 to 4.9 nmol g/sup -1/ of added sulfate and formed between 1.6 and 4.8 nmol g/sup -1/ of added sulfate and formed between 1.6 and 4.8 nmol g/sup -1/ of organic S during 48h. Methionine mineralization and the fate of both mineralization-derived and added sulfate were examined in hardwood forest soils which had been suction dried to contain between 2 and 80% moisture. Incubation of /sup 35/S-methionine with organic matter extracted from the 02 litter layer of a hardwood forest, resulted in the formation of /sup 35/S-methionine-labelled organic component.
- Research Organization:
- Georgia Univ., Athens (USA)
- OSTI ID:
- 6154018
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
510101 -- Environment
Terrestrial-- Basic Studies-- Radiometric Techniques-- (-1989)
510200* -- Environment
Terrestrial-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
ADSORPTION
AMINO ACIDS
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
CARBOXYLIC ACIDS
DAYS LIVING RADIOISOTOPES
DRUGS
ECOLOGICAL CONCENTRATION
EVEN-ODD NUCLEI
FORESTS
ISOTOPE APPLICATIONS
ISOTOPES
LIGHT NUCLEI
LIPOTROPIC FACTORS
METHIONINE
MINERALIZATION
NUCLEI
ORGANIC ACIDS
ORGANIC COMPOUNDS
ORGANIC MATTER
ORGANIC SULFUR COMPOUNDS
OXYGEN COMPOUNDS
RADIOISOTOPES
SOILS
SORPTION
SULFATES
SULFUR 35
SULFUR COMPOUNDS
SULFUR ISOTOPES
TRACER TECHNIQUES
Terrestrial-- Basic Studies-- Radiometric Techniques-- (-1989)
510200* -- Environment
Terrestrial-- Chemicals Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
ADSORPTION
AMINO ACIDS
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
CARBOXYLIC ACIDS
DAYS LIVING RADIOISOTOPES
DRUGS
ECOLOGICAL CONCENTRATION
EVEN-ODD NUCLEI
FORESTS
ISOTOPE APPLICATIONS
ISOTOPES
LIGHT NUCLEI
LIPOTROPIC FACTORS
METHIONINE
MINERALIZATION
NUCLEI
ORGANIC ACIDS
ORGANIC COMPOUNDS
ORGANIC MATTER
ORGANIC SULFUR COMPOUNDS
OXYGEN COMPOUNDS
RADIOISOTOPES
SOILS
SORPTION
SULFATES
SULFUR 35
SULFUR COMPOUNDS
SULFUR ISOTOPES
TRACER TECHNIQUES