# Commission Regulation (EC) No 1737/2006 of 7 November 2006 laying down detailed rules for the implementation of Regulation (EC) No 2152/2003 of the European Parliament and of the Council concerning monitoring of forests and environmental interactions in the Community, Division III.2: Frequency

Extent: E+W+S+N.I.

Observation dates may coincide with the collection of deposition samples or soil solution. A frequency of at least once every second week during the growing period is needed to follow the phenological changes.

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Source: https://www.legislation.gov.uk/eur/2006/1737/annex/I/chapter/12/division/III/division/III.2 (the official version)
Page: https://openlegislation.uk/eu-regulation-2006-1737/annex-I/chapter-12/division-III/division-III.2
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.