A spreading assembly is provided. The spreading assembly comprises aspreadable material container, a spreading mechanism, and a motor. Thespreading mechanism is rotatably mounted to a bottom section of the materialcontainer and can disperse the spreadable material 3600 around the spreadingassembly. The motor is operatively connected to the spreading mechanism toengage same in rotation. The spreading assembly comprises a coupling assemblyto engage the spreading assembly with an unmanned aerial vehicle (UAV)configured to transport the spreading assembly while it operates.
