A picture taken on May 6, 2013 of a colza field in Saint-Philbert-sur-Risle, in Normandy. The crop is used in cattlefeed, cooking oil, machinery lubricant and, increasingly, as a biofuel. AFP PHOTO / JOEL SAGET (Photo credit should read JOEL SAGET/AFP/Getty Images)
Parmi les cultures oléagineuses, le colza possède un grand potentiel de développement au Maroc