Method:     VDI Guideline 3957, Part 2 (2003) mod.: Biological measurement method to establish and assess the effect of air pollutants on plants (bio-indication) – Standardised grass culture method

Duration of measurement period:

28 ± 2 days; Measurement periods: 4-5 per year

Observation period:

2003 – 2013

Number of sites:

4 per year

Number of measurements:

79 – 199

 

 

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