http://www.ita.doc.gov/td/machinery/reports/farmsect.html Farm machinery is defined as farm field and farmstead machinery used for the production of crops and agricultural animals. The major products lines for the industry are wheel tractors and parts, planting and fertilizing machinery, tillage equipment (plows, cultivators, harrows), chemical application equipment, harvesting machinery (e.g., combines, cotton pickers, root harvesters), haying and mowing equipment (including balers), farm sprayers and irrigation equipment, grain dryers and bl
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http://www.jpl.nasa.gov/releases/2001/navcom.html Through satellite technology tractors will be equipped with receivers providing instant location information, which is vital for precision farming to allow farmers to navigate fields at night and when visibility is poor and more importantly, with soil sensors and other monitors, it will let them calculate and map out precisely where their fields may need more water, fertilizer or weed control, saving both time and money.
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