With increasing population ...

With increasing population pressure throughout the world and the need for increased agricultural production there is a definite need for improved management of the world's agricultural resources. To make this happen it is first necessary to obtain reliable data on not only the types, but also the quality, quantity and location of these resources. Satellite imagery and GIS (Geogrpahic Information Systems) always will continue to be a very important factor in the improvement of the present systems of acquiring and generating agricultural maps and resource data. - this website has absolute good info on this topic- http://www.satimagingcorp.com/applications/natural-resources/agriculture/