6D Revolving round our continent - E???c?n????
15A Type of dish - T??????
26A Cultivation without artificial fertilisers - ???a??? Farming
34A Small iridescent fish - N??? T?????
36D Municipal governing body - ???? Council
39A Virginia Woolf's essay on writing - A form of ???s???
28D Aria from Verdi's Rigoletto - ?? ????? e ?o?s?e