1. pathogen-any disease-producing agent (especially a virus or bacterium or other microorganism). microorganism, micro-organism-any organism of microscopic size.infectious agent, infective agent-an agent capable of producing infection. Translations.. pathogen-any disease-producing agent (especially a virus or bacterium or other microorganism). microorganism, micro-organism-any organism of microscopic size.
Agricultural Tools. The Agricultural Tools ClipArt gallery offers 195 illustrations of hand tools such as plows, pitchforks, insecticide sprayers, rakes, and rollers.
A baler, most often called a hay baler is a piece of farm machinery used to compress a cut and raked crop (such as hay, cotton, flax straw, salt marsh hay, or silage) into compact bales that are easy to handle, transport, and store.