Bacteria make a meal of pig manure

Spinks, Peter
August 1991
New Scientist;8/3/91, Vol. 131 Issue 1780, p20
Reports on a technique for recycling ammonia from pig manure using genetically engineered microorganisms in the Netherlands. Ammonia's contribution to the formation of acid rain; Tests in small-scale experimental fermentation vessels; Separation of lysine from the remaining manure.


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