Rice farming has been present in the Camargue since the post-war period. Complex, this culture follows several stages: lifting, tillering, bolting, return and flowering. The land is flooded to promote the germination of rice grains and prevent the proliferation of fungi. Rice farming therefore requires freshwater irrigation and extensive drainage to develop the saltiest land. Huge amounts of water between the two arms of the Rhône (400 million m3 per year) are needed.