Prior Study, Agronomic Follow-Up, Cleaning And Spreading Of The Sludge From The Lagooning Of The Communes Of Rattes (La Piat), Sagy (Bourg), Sagy (Bourg Sud), Simard (Le Putigny), Sainte-Ulus (Le Curtil Moreau) And Sainte-Croix-En-Bresse (Bourg).