On Sat, 19 Jul 2014 15:19:39 +0100, Andrew Chaplin wrote
(in article 1):

The "daisies," or "margarites" in French and shortened to "marg" in
English military slang, were likely dispersal areas for aircraft served by
a track that led to the taxiways. Vestiges of the post-war variety can be

Ah, 'zones of loosening' = 'dispersal areas'. It's obvious now.

Thanks.