A method for cultivation and processing of sugar beets the includes steps of: providing the sugar beets and/or sugar beet seedlings in a first step; supplying the sugar beets and/or the sugar beet seedlings with a nutrient solution during growth in a second step; harvesting at least partially fully grown sugar beets in a third step; processing the harvested sugar beets in a sugar production plant in order to extract sugar from the sugar beets in a fourth step; the nutrient solution used in the second step is at least partially obtained by recovering water in the fourth step which is recycled in the second step.