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Precision agriculture uses many tools but here are some of the basics: tractors, combines, sprayers, planters, diggers, which are all considered auto-guidance systems. The small devices on the equipment that uses GIS (geographic information system) are what makes precision agriculture what it is. You can think of the GIS system as the “brain.”
Driverless compact tractors perform fully autonomous spraying tasks at a Texas vineyard. Another fully autonomous tractor technology involves using the native electrical (or CAN bus) system of the tractor or farm equipment to send commands. Using GPS positioning and radio feedback, automation software manages the vehicle's path and controls ...
Heavy equipment manufacturers, in conjunction with GPS guidance system manufacturers, have been co-developing GPS guidance systems for heavy equipment since the late 1990s. These systems allow the equipment operator to use GPS position data to make decisions based on actual grade and design features. Some heavy equipment guidance systems can ...
ecoRobotix has made a solar-powered weeding and spraying robot [37] Blue River Technology has developed a farm implement for a tractor which only sprays plants that require spraying, reducing herbicide use by 90% [38] [39] Casmobot next generation slope mower [40] Fieldrobot Event is a competition in mobile agricultural robotics [41]
Sprayers range in size from man-portable units (typically backpacks with spray guns) to trailed sprayers that are connected to a tractor, to self-propelled units similar to tractors with boom mounts of 4–30 feet (1.2–9.1 m) up to 60–151 feet (18–46 m) in length depending on engineering design for tractor and land size.
StarFire is a wide-area differential GPS developed by John Deere's NavCom and precision farming groups. StarFire broadcasts additional "correction information" over satellite L-band frequencies around the world, allowing a StarFire-equipped receiver to produce position measurements accurate to well under one meter, with typical accuracy over a 24-hour period being under 4.5 cm. StarFire is ...