After several years of research, scientists have been unable to pinpoint the cause of fiery and exploding poop on Midwest pig farms.
In the past five years, about 30 to 40 "manure foam" flash fires and blasts have been reported, University of Minnesota researchers say. One explosion was so powerful it leveled a barn in northern Iowa, killing 1,500 pigs.
Exploding pig poo at large pig barns in the midwest - what a terrible problem. First of all, pigs should not have to live like this. But one reason for the increasing size of these pig farms is the lack of good options for managing their manure. Because of the stench, nobody wants one of these pig farms nearby, so they consolidate to more remote locations. A better option would be to have small, humanely managed pig barns distributed around the landscape. For one thing, that would allow easier use of locally generated food waste as pig feed. That's another huge problem - we waste 30%-40% of our food and send it to the landfill where it generates methane and warms the planet.
Biochar could help control the odor and gas emissions of pig manure - or any kind of manure or biological waste. More on this later..