> If sludges were included in potential organic fertilizers,
> they should have to undergo separate certification...
I think you are right. Sludge can and should be tested for harmful
substances before it is applied to cropland (organic or conventional).
> Without the option to use approved sludge, even the most
> pristine sewage will be unavailable to organic growers.
I'll bet that some municipal sources are quite acceptable and low in heavy
metals and xenobiotics.
> Keep asking, be specific, and
> don't give up hope in all of us just yet.
Yeah, I think we need a can-do attitude, and willingness to be flexible.
Probably there are some organic growers who would love to use sludge, and
some sources of acceptable sludge. It could be an efficient way to plow
nutrients back in that have been cycled through humans.
Dale
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