Fetching details from the dictionary...

to scatter; to disseminate (e.g. a rumor); to spread (e.g. germs); to broadcast
to distribute widely (e.g. leaflets); to hand out freely; to spend recklessly
春の種まきの時期に広い庭の花壇に肥料を散蒔いた。
I scattered fertilizer in the large garden.
農家の人が花の種を整地した畑に均等に散蒔いている。
I'm scattering flower seeds in the field.
政治家が選挙前に地元へ補助金を散蒔く行為が問題視された。
The politician's act of scattering subsidies to the local area before elections was criticized.