Waste disposal and agriculture. Treatment and disposal of farm wastes.
D000383:Agriculture; D000818:Animals; D002417:Cattle; D008372:Manure; D011200:Poultry; D012037:Refuse Disposal; D012722:Sewage; D012756:Sheep; D013552:Swine; D006113:United Kingdom; D014865:Waste Disposal, Fluid
D008372:Manure; D012722:Sewage