Precision agriculture, also called site-specific farming, is a way of managing farm resources. It is an integrated agricultural management system usually incorporating several technologies. The technological tools often include the global positioning system (GPS), geographical information system (GIS), yield monitor, variable rate technology, and remote sensing. This information and technology for site-specific farming allows farmers to identify, analyze, and manage the spatial and temporal variability of soil and plants for optimum profitability, sustainability, and protection of the environment.