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.
Spartacus Educational. Farm Tools. Moulboard Plough: A plough that produced a deep furrow and turned the earth after it had been cut by the coulter and share. The moulboard was the device for guiding the plough and turning the earth over. To get the right depth for the seed the plough has to both cut and turn the earth.
by sepe in Home & Garden. A tiller is a commonly used gardening tool used to turn or till the soil prior to planting. Huskee makes power tillers that are gas-powered and available in several sizes. Tractor SupplyTractor Supply Co. began selling its products to ranchers in North Dakota and now sells a variety of residential gardening tools, including the Huskee tiller.