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Sorption of s-triazine herbicides in organic matter amended soils: Fresh and incubated systems
Year:
1999
Source of publication :
Water, Air, and Soil Pollution
Authors :
Gerstl, Zev
;
.
Graber, Ellen
;
.
Sluszny, Chanan
;
.
Volume :
115
Co-Authors:
Sluszny, C., Inst. Soil, Water and Environ. Sci., Volcani Center, A.R.O., P.O.B. 6 Bet, Dagan 50250, Israel
Graber, E.R., Inst. Soil, Water and Environ. Sci., Volcani Center, A.R.O., P.O.B. 6 Bet, Dagan 50250, Israel
Gerstl, Z., Inst. Soil, Water and Environ. Sci., Volcani Center, A.R.O., P.O.B. 6 Bet, Dagan 50250, Israel
Facilitators :
From page:
395
To page:
410
(
Total pages:
16
)
Abstract:
Fresh amendment of soil with sewage sludge and composted sewage sludge resulted in increased sorption of three s-triazine herbicides: atrazine, ametryn and terbuthylazine. The extent of increased sorption (as evaluated by sorption coefficients K(d) or K(i)) was a function of soil type, such that sorption in amended organic carbon-poor soil (0.4% OC) was more enhanced than in amended organic carbon-rich soil (1.55% OC). Despite significant differences between the organic amendments in terms of humic and fulvic acid content, humin content, soluble organic matter content, total organic matter content, and H/C and O/C atomic ratios, organic matter composition had no discernible effect on either sorption distribution coefficients or on isotherm linearity in amended soils. Soils amended with composted sludge had the same sorption potential as did soils amended with the analogous uncomposted sludge. After incubating soil-sludge mixtures for a year at room temperature, organic matter content decreased to original pre-amendment levels. Sorption coefficients for the three compounds similarly decreased to initial pre-amendment values. Organic carbon normalized sorption coefficients (K(ac)) were essentially identical in the soils, amended soils, and incubated amended soils, indicating that sludge and compost derived organic matter does not have a significantly different sorption capacity as compared with the original soils, despite compositional differences.
Note:
Related Files :
Adsorption
ametryn
herbicides
Sampling
sewage sludge
soil
soil pollution
Show More
Related Content
More details
DOI :
10.1023/A:1005105020757
Article number:
0
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
19550
Last updated date:
02/03/2022 17:27
Creation date:
16/04/2018 23:30
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Scientific Publication
Sorption of s-triazine herbicides in organic matter amended soils: Fresh and incubated systems
115
Sluszny, C., Inst. Soil, Water and Environ. Sci., Volcani Center, A.R.O., P.O.B. 6 Bet, Dagan 50250, Israel
Graber, E.R., Inst. Soil, Water and Environ. Sci., Volcani Center, A.R.O., P.O.B. 6 Bet, Dagan 50250, Israel
Gerstl, Z., Inst. Soil, Water and Environ. Sci., Volcani Center, A.R.O., P.O.B. 6 Bet, Dagan 50250, Israel
Sorption of s-triazine herbicides in organic matter amended soils: Fresh and incubated systems
Fresh amendment of soil with sewage sludge and composted sewage sludge resulted in increased sorption of three s-triazine herbicides: atrazine, ametryn and terbuthylazine. The extent of increased sorption (as evaluated by sorption coefficients K(d) or K(i)) was a function of soil type, such that sorption in amended organic carbon-poor soil (0.4% OC) was more enhanced than in amended organic carbon-rich soil (1.55% OC). Despite significant differences between the organic amendments in terms of humic and fulvic acid content, humin content, soluble organic matter content, total organic matter content, and H/C and O/C atomic ratios, organic matter composition had no discernible effect on either sorption distribution coefficients or on isotherm linearity in amended soils. Soils amended with composted sludge had the same sorption potential as did soils amended with the analogous uncomposted sludge. After incubating soil-sludge mixtures for a year at room temperature, organic matter content decreased to original pre-amendment levels. Sorption coefficients for the three compounds similarly decreased to initial pre-amendment values. Organic carbon normalized sorption coefficients (K(ac)) were essentially identical in the soils, amended soils, and incubated amended soils, indicating that sludge and compost derived organic matter does not have a significantly different sorption capacity as compared with the original soils, despite compositional differences.
Scientific Publication
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