Sharpe, R R Ammonia volatilization from surface-applied poultry litter under conservation tillage management practices. [electronic resource] - Journal of environmental quality - 1183-8 p. digital Publication Type: Journal Article ISSN: 0047-2425 Standard No.: 10.2134/jeq2004.1183 doi Subjects--Topical Terms: AgricultureAmmonia--analysisAnimalsConservation of Natural ResourcesEnvironmental MonitoringFertilizersManurePoultryRainRefuse DisposalSeasonsSoilVolatilization