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Degradation capacities of chlorotoluron and simazine in subsoil horizons

 
: Kördel, W.; Wahle, U.; Knoche, H.; Hund, K.

:

Science of the Total Environment 171 (1995), pp.43-50
ISSN: 0048-9697
English
Journal Article
Fraunhofer IUCT ( IME) ()

Abstract
The degradation capacity of the two herbicides chlorotoluron and simazine was investigated using different soils and the different horizons of these soils. The results revealed excellent correlations for DT (ind 50) values and biomass for an individual soil and its different horizons. The correlation is not valid for the comparison of different topsoils. These results were confirmed by the fact that within one soil identical metabolism patterns for the different horizons were observed. Consequently, the easily determinable parameter biomass can be used to asses depth-dependent DT (ind 50) values on the basis of one experimental result. This is of great importance for generating input data of sufficient accurracy for simulation models such as PELMO (pesticide leaching model).

: http://publica.fraunhofer.de/documents/PX-9112.html