1. 
   Anaerobic lagoon
   A liquid-based manure management system, characterized by waste residing in water to a depth of at least six feet for a period ranging between 30 and 200 days. Bacteria produce methane in the absence of oxygen while breaking down waste.
   Found op http://www.encyclo.co.uk/visitor-contributions.php
   
   
2. 
   Anaerobic lagoon
   Anaerobic Lagoon or Manure Lagoon is a man-made outdoor earthen basin filled with animal waste that undergoes anaerobic respiration as part of a system designed to manage and treat refuse created by Concentrated Animal Feeding Operations (CAFOs). Anaerobic lagoons are created from a manure slurry, ...
   Found op http://en.wikipedia.org/wiki/Anaerobic_lagoon
   
   
3. 
   Anaerobic Lagoon
   A holding pond for livestock manure that is designed to anaerobically stabilize manure, and may be designed to capture biogas, with the use of an impermeable, floating cover.
   Found op http://www.electromn.com/glossary/a.htm
   
   
4. 
   anaerobic lagoon
   A holding pond for livestock manure that is designed to anaerobically stabilize manure, and may be designed to capture biogas, with the use of an impermeable, floating cover. Related category • BIOENERGY AND BIOFUEL
   Found op http://www.daviddarling.info/encyclopedia/A/AE_anaerobic_lagoon.html
   
   

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