Firefighters were called out to about 500 straw bales on fire in Upwell.
The incident started at about 5.20pm today in Baptist Road.
Three fire crews attended - from Wisbech, Downham Market and Manea - along with a water carrier from Fakenham.
Firefighters were also sent out to deal with about 60 acres of standing corn on fire in Norwich Road, Swainsthorpe, shortly before 6.30pm today.
Crews from Earlham, Long Stratton and Carrow attended the incident.
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