temps (durée) (1) boue (1) mise sous écran protecteur (1) papier (1) déchet organique (1) moulin (1) fumier (1) pays (1) Waste products (1) Time (1) Swine (1) Slurry (1) Sewage sludge (1) Science (1) Refuse and refuse disposal (1) Poultry--Manure (1) Paper (1) Matter (1) Materials (1) Mass (1) Manures (1) Manufactures (1) Land use (1) Fluorination (1) Factory and trade waste (1) Dairy cattle (1) Average (1) Agricultural wastes (1) Acetic acid (1) Materials (1)