Later that evening, police allege a further suspicious fire was lit in bushland near to Eric and Albert streets, Goodna, which posed a threat to homes.
Both blazes were contained by firefighters.
After an investigation, the Ipswich Child Protection Investigation Unit charged a 15-year-old boy with setting fire to crops and endangering property by fire.
He will be dealt with under the provisions of the Youth Justice Act.
The remaining two boys aged 15 and 16 are expected to be charged in the coming days.
A statement from the Queensland Police has urged parents and carers to speak to their children about the consequences of lighting fires in this time of heightened danger.
The Queensland Fire and Emergency Services has extended a local fire ban for Whitsunday, Isaac, Mackay, Central Highlands, Woorabinda, Banana, Gladstone, Livingstone and Rockhampton Local Government Areas.
The local fire ban will remain in place until 11.59pm on Wednesday 4 December 2019.