is farming possible there?
Yes, traditional desert farming systems have long been established in North Africa, irrigation being the key to success in an area where water stress is a limiting factor to growth.
Desert
Traditional desert farming systems have long been established in North Africa, irrigation being the key to success in an area where water stress is a limiting factor to growth. 
where do we find deserts and what causes them to occur UNANSWERABLE what is a desert? A desert is a barren area of landscape where little precipitation occurs and, consequently, living conditions are hostile for plant and animal life. can we find water there? Lakes may form in basins where there is sufficient precipitation or meltwater from glaciers above.
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Desert [SEP] Farming
Traditional desert farming systems have long been established in North Africa, irrigation being the key to success in an area where water stress is a limiting factor to growth. Techniques that can be used include drip irrigation, the use of organic residues or animal manures as fertilisers and other traditional agricultural management practices. Once fertility has been built up, further crop production preserves the soil from destruction by wind and other forms of erosion. It has been found that plant growth-promoting bacteria play a role in increasing the resistance of plants to stress conditions and these rhizobacterial suspensions could be inoculated into the soil in the vicinity of the plants.