Chapter 1 Agriculture and Agribusiness

Terms Continued Output – a marketable product of a farming operation, such as cash crops, livestock, and so forth. Pesticides – chemical used to control weeds, insects, and diseases that affect crops, livestock, or people. Pneumatic – adapted for holding or inflated with compressed air. PTO – a supplementary mechanism allowing the operator to control mounted and drawn equipment with the tractor’s engine. Production agriculturalist- farmers. Raw material – crude or processed material that can be converted by manufacture, processing, or combination into a new and useful product. Reaper – used to cut or harvest, as a crop of grain Resources – the means available for production

Selective breeding- the breeding of selected plants or animals chosen because of certain desirable qualities or fitness Sickle- a sharp, curved metal blade fitted with a short handle; used for cutting weeds or grasses. SCS – bureau of the USDA; basic purpose is to aid in bringing about physical adjustments in land use and treatment that will conserve natural resources. Surveying – the practice of measuring a tract of land for size, shape, or the position of boundaries. Terminal – a station for delivery or receipt of produce. Tertiary – third rank; occuring third in a series of steps or operations. Threshing machine – separates the grain from the waste of the plant. Torque amplification – a feature that expands or increases the force that tends to produce rotation

Tricycle type – a tractor introduced by International Harvester in 1924, which was very popular for cultivating as well as plowing. Turbochargers – a centrifugal blower driven by exhaust gas turbines and used to surpercharge an engine. Turpentine – a substance used as a fuel in early internal combustion engines. Vaccines – a substance that contains live, modified, or dead organisms or their products that is injected into an animal in an attempt to protect the host from a disease caused by that particular organism.