cryilroy, you would be extremely surprised by the vast circular farms that are spread across Saudi Arabia, there is also an extremely fertile industry in the mountain areas and close to the Jordanian border. However their problem isn't with the climate but the lack of renewable ground water.....
However, crop dusting in this part of the world isn't for 250 hour pilots. Sorry.
BeeBop, there are a couple of crop dusting outfits and even 1 cloud seeding organization
Mutt