[Improving sewerage systems and the technology of removing manure at animal farms].
D000383:Agriculture; D000818:Animals; D002417:Cattle; D005308:Fertilizers; D011200:Poultry; D012722:Sewage; D013552:Swine
D005308:Fertilizers; D012722:Sewage
Sovershenstvovat'kanalizatsiiu i tekhnologiiu udaleniia navoza na fermakh.