CNN article highlighting the use of satellite imagery for Agriculture

“The level of detail is incredible. People can genuinely use satellite imagery to fertilize correctly, or manage water stress
Geoff Wade, ESRI”

http://edition.cnn.com/2011/11/17/tech/eco-organic-food-satellite/index.html?hpt=hp_c2

Certifying crops as organic or water use are just some of the way satellites are being used.