Thomas R. O'Donnell

50 shades of brown: Here’s a chance to hear about Iowa’s manure quandary – and drink beer » Jones manure map

On July 30, 2019 at 7:44 pm

Hogs, cattle, laying hens and turkeys produce manure equivalent to a human population found in many of the world's major cities. From Christopher Jones' presentation to the Iowa Academy of Science.

Hogs, cattle, laying hens and turkeys produce manure equivalent to the human population found in many of the world’s major cities. From Christopher Jones’s presentation to the Iowa Academy of Science.

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