The Global Positioning System (GPS) and Geographic Information Systems (GIS) provide farmers with the capabilities to manage field variability on a site-specific basis. GPS is a constellation of 24 satellites orbiting 12,660 miles above the Earth that is used for determining latitude and longitude (position). When installed on agriculture equipment, a GPS receiver provides position information for soil sampling, crop scouting, applying inputs, planting, harvesting and other applications. A GPS receiver allows farmers to continually return to the same location in a field.
Each year the American Society of Agricultural and Biological Engineers (ASABE) selects a topic for their Distinguished Lecture Series. For 2009, the topic was ‘Automatic Vehicle Guidance’ which was presented by Drs. Arthur Lange and... more
In my previous post, I told about our recent in-field experiences with our precision-ag students that were learning about the characteristics and features of guidance systems. I mentioned how our RTK-assisted autoguidance tractor was several... more
A few days ago, Dr. Fulton asked me to help with the precision-agriculture class. The subject was "guidance systems," and there were three class periods (well, two class periods and one lab period) devoted to... more
Fuel usage is still a cost which farmers need to be concerned about for their operations. The September-October 2009 Issue of The Furrow (http://www.deere.com/en_US/ag/online_brochures/furrow_sep_oct2009.html; page 20 “Diesel Down”) has a good reminder article on considerations... more
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