The act of spreading or distributing something widely—e.g., scattering seeds, spraying fertilizer or chemicals, or disseminating information.
農家は畑に肥料を散布した。
The farmer spread fertilizer over the field.
空中に薬剤を散布して害虫を駆除した。
They sprayed chemicals into the air to exterminate pests.
チラシを町中に散布してイベントを宣伝した。
They distributed flyers throughout the town to promote the event.