Subsurface losses of surface-applied metribuzin as influenced by yard waste compost amendments, no-tillage, and conventional-tillage

The influence of three tillage systems-yard-waste-compost-amended soil with compost added to the soil after rototilling, no-till, and conventional-till-was investigated in terms of metribuzin subsurface concentration and loading. The study was conducted during the 1994 and 1995 growing seasons on a...

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Bibliographic Details
Published in:Bulletin of environmental contamination and toxicology 1996-11, Vol.57 (5), p.751-758
Main Authors: Malone, R.W. (Univ. of Kentucky, Lexington, KY.), Warner, R.C, Byers, M.E
Format: Article
Language:English
Subjects:
Agriculture - methods
Agronomy. Soil science and plant productions
AMENDEMENT DU SOL
Biological and medical sciences
CERO-LABRANZA
COMPOST
COMPOSTS
CONVENTIONAL TILLAGE
ENMIENDAS DEL SUELO
Fresh Water - analysis
Fundamental and applied biological sciences. Psychology
Herbicides - analysis
Herbicides - chemistry
Herbicides - metabolism
LABRANZA CONVENCIONAL
LOSSES
METRIBUZIN
METRIBUZINA
METRIBUZINE
NON TRAVAIL DU SOL
PERDIDAS
PERTE
Pesticide Residues - analysis
Soil - analysis
SOIL AMENDMENTS
Soil and water pollution
Soil Pollutants - analysis
Soil Pollutants - metabolism
Soil science
Surface Properties
TRAVAIL DU SOL CONVENTIONNEL
Triazines - analysis
Triazines - chemistry
Triazines - metabolism
Waste Products - analysis
Water Pollutants - analysis
Water Pollutants - metabolism
ZERO TILLAGE
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Summary:The influence of three tillage systems-yard-waste-compost-amended soil with compost added to the soil after rototilling, no-till, and conventional-till-was investigated in terms of metribuzin subsurface concentration and loading. The study was conducted during the 1994 and 1995 growing seasons on a Lowell silt loam. The resulting data indicated that the mean lysimeter water effluent metribuzin concentration was lower for the compost-amended soil than for the tilled soils, due to metribuzin sorption to the additional organic carbon in the compost. For the tilled plots, the mean lysimeter water metribuzin concentration was lower for the conventional- than for the no-till plot. The percent metribuzin lost through leaching and runoff were 0.86, 0.61, and 0.76% for compost-amended, no-till, and conventional-till plots, respectively.
ISSN:0007-4861
1432-0800
DOI:10.1007/s001289900253