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Registered: ‎06-05-2013
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Re: Satellite field monitoring

The quote from the brochure of Cropio company, which provides vegetation monitoring services "In addition, the system is capable of differentiating vegetation abnormalities within an individual field, which allows the user to effectively plan agricultural operations and makes it possible to pay closer attention to suspicious areas". 

"Cropio computes its recommendations with respect to the current level off vegetation and the soil composition on each selected field, taking into account abnormal zones. The calculation is based on historical data about fertilization levels of specific field areas and crops. An automatically created recommendation can be manually corrected by an agronomist, saved in the needed format or  printed"

So as I've understood, satellites are able to identificate problem zones and  on this base some programs offer quantity of fertilizer you have to add.