Introduction to Agriculture, Food, and Natural
Resources
1
Introduction to Agriculture, Food, and Natural
Resources
Precision Agriculture
Unit 6 – Lesson 6.2 This is My Land
2
Precision Agriculture
• Farm management
strategy
• Uses Global
Positioning System
and Geographic
Information system
• Goal is to improve
agricultural production
and efficiency.
3
Image source: http://earthobservatory.nasa.gov/IOTD/view.php?id=1139
Global Positioning System
• System of Satellites
– 24 satellites
surrounding the
earth
– Use triangulation to
determine the
location
x
4
Determining Location with GPS
Location is found by
• Latitude – distance north or south of the
equator
– Equator-– circle around the earth an equal
distance from north and south pole
• Longitude – distance east or west of the
Prime Meridian
– Prime Meridian – line that runs north and south
and divides the earth into an east and west half
5
Geographic Information System
• Integrates the multiple
types of data about a
specific point marked
with a GPS unit
• Normally a computer
application
• Can be used to improve
productivity of a
producer
6
References
Lee, J. (2001). Emerging technologies in
agriculture. Electronic Instructional Library
Lesson Plans. Alexandria, VA: The National
Council for Agricultural Education.
CAERT. (2009). Understanding land measurement
and legal descriptions. Retrieved from
http://mycaert.com doi: L090008
7