Cinipide del castagno, 1a e 2a parte, Ora della terra 02.11.14
L'ora della terra 02.11.2014, 11:00
Con Marco Conedera, ingegnere e ricercatore dell’istituto federale di Ricerca per la foresta, la neve e il Paesaggio di Bellinzona, faremo il punto sui danni che questo insetto ha provocato come è attualmente la situazione e quando potremo, di nuovo, raccogliere castagne in abbondanza nella Svizzera Italiana.
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