heli-mulching
n.β Β«Rice straw dropped from a heavy-lift helicopter rained down like snow Monday on fire-blackened forest land north of Oroville in an effort to control erosion. The process, known as βheli-mulching,β is set to continue through Halloween if weather permits.Β» ββChopper Drops Straw On Fire-Ravaged Forest” in Butte County, California KCRA-TV (Sacramento, California) Oct. 20, 2008. (source: Double-Tongued Dictionary)