Iowa State University Extension Plus

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1. 
   3 days ago

   jos moor commented on David Schmidt: Foaming Manure Pits

   Hi Interesting video. Have you thought at looking at the type of bacteria that are present? It is possible that different types of bacteria prefer either to be closer to the surface or lower in the mass to operate. Jos

2. 
   5 days ago

   ʁ☯⧷ᴴ liked David Schmidt: Foaming Manure Pits
3. 
   1 week ago

   Iowa State University Extension uploaded An Introduction to Evernote