It's more fair that many, many places have done the same thing. When I was in Ghana for a summer in 1987, I was warned that "night soil" was often used in vegetable fields, and I should watch out for my tender American digestive system not being able to deal with the uncooked results. No slight against Ghana in particular, that's typical for countries at Ghana's level of development.

I don't think it is a slight against Ghana. They may well be ahead of the curve on something we may all have to move back to, i.e. "Recycling animal and human dung is the key to sustainable farming"[1].

[1] http://www.lowtechmagazine.com/2010/09/recycling-animal-and-...

I'm all for sustainable farming, and poop is a manageable risk on fields where you cook what's grown there. But you don't treat vegetable fields with raw poop, which is what I was referring to... especially vegetables designed to be eaten uncooked.