In this chapter, the following terms have the meanings indicated. Terms Defined. “Excessive lodging” means a condition of farmland where embedding of the previous crop causes the normal use of harvesting, tillage, or planting equipment to be impossible or impracticable. “Forest resource management practices” means the technical application of scientific objectives that conserve, protect, and enhance the quality, quantity, productivity, and biological diversity of the forest resources of Maryland. “Open fire” means a fire where any material is burned in the open or in a receptacle other than a furnace, incinerator, or other equipment connected to a stack or chimney. “Public collection of refuse” means the service provided by any governmental agency or commercial enterprise for the pickup on a regularly scheduled basis of refuse from groups of individual homes, businesses, apartment buildings, or other establishments. “Safety determinations” means the testing, training, or demonstrations with explosives, propellants, incendiaries, or military devices involving an open flame.