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</html><description>Maart is een belangrijke maand, want op 21 maart begint de lente. De dagen en nachten zijn dan precies even lang en de dagen blijven zelfs langer worden en de nachten korter tot aan midzomer. Planten merken dit verschil in daglengte en reageren hierop.</description><thumbnail_url>http://www.cruydthof.nl/blog/wp-content/uploads/2015/03/Vier-de-lente-300x162.jpg</thumbnail_url></oembed>
