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.
Find this Pin and more on Horse drawn farm equipment. Antique One row planter.actually it is a corn binder; twine goes in the round box. Picture of antique one row planter on my farm stock photo, images and stock photography. An old seeder is in the front, followed by an old manure spreader.