I grew up within smelling distance (with the right wind) of the Milorganite plant in Milwaukee. They were the first place to use the waste plant solids for fertilizer, since the late 1920s. BUT Milorganite is dried and ground to specific particle sizes. While it's used a lot on golf courses, it's also sold for lawns and yes, vegies. No it doesn't have a "pig farm" smell. It does have a distinctive smell but to me it's mostly "salty".
In the 70s for just a couple of years, there was a heavy metal warning on Milorganite. But then the city legislated that any industry using the sewage system had to pre-treat their water to remove heavy metals. This was also part of the EPA clean water stuff. Even a small company I worked for then had a person that tested the waste water and we didn't have heavy metals as part of our process. For us, we had to take out some fats.
Anyway, we use Milorganite and I have no problem with it.
The original post is full of 1/2 truths and outright bad science and is just plain inflammatory.
Carol
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