"sourcing from an organic farm or your back yard" Sourcing from your back yard (and to a lesser degree, a single farm; and to a still lesser degree a single ge

"sourcing from an organic farm or your back yard" Sourcing from your back yard (and to a lesser degree, a single farm; and to a still lesser degree a single geographic region) means you're not eating veggies grown in a variety of soil compositions, even if you are eating a variety of plant species. The most extreme way this can fail (that's common enough to note) is if the soil in your back yard is high in lead.