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Technical rule [WITHDRAWN]

VDI 3957 Blatt 6:2003-04

Biological measuring techniques for the determination und evaluation of the effects of air pollutants on plants (bioindication) - Determination and evaluation of the phytotoxic effect of photooxidants - Method of the standardised tobacco exposure

German title
Biologische Messverfahren zur Ermittlung und Beurteilung der Wirkung von Luftverunreinigungen auf Pflanzen (Bioindikation) - Ermittlung und Beurteilung der phytotoxischen Wirkung von Ozon und anderen Photooxidantien - Verfahren der standardisierten Tabak-Exposition
Publication date
2003-04
Original language
German, English
Pages
28

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Publication date
2003-04
Original language
German, English
Pages
28

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Short description
It is possible to determine concentrations of important pollution components individually with chemico-physical methods. These components, however, represent only a limited selcetion of all factors that occur in the environment and are relevant to the effect on plants. The prdiction of an integrated total effect using physico-chemical concentration measurements of individual pollution components suffersfrom substantial uncertainty, even if the parallel influence of climatic factors is considered. By contrast the results of biological measurement methods are incomparably more reliable than predictions of effects dreived from technical poolution measurements because the determined effects provide direct information on the detrimental effects on the effected object, of which some are plants. For long time the indication of photooxidant effects has been of special importance for the effect measurements with bioindicators.
Content
ICS
13.040.20
Replacement amendments

This document has been replaced by: VDI 3957 Blatt 6:2022-04 .

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