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…..than this. And yet, in many countries, particularly in Africa, the task of growing food is still done by such manual labor and by each family. …Often without benefit of either improved seed or fertilizer.

 

 

http://image.guardian.co.uk/sysimages/Guardian/

Pix/pictures/2006/07/18/farm372.jpg

 

 

http://www.iaea.org/NewsCenter/Features/

Tsetse/tsetse_gallery/images/006w.jpg