Those ingredients sound like dirt. Just a note on the use of the word "organic"
People need to be careful, if you want to get technical, Gasoline is organic.. Fossilized hydrocarbons of once living things, carbon based...
That is just one example of a whole host of things that can be called "organic" that may not necessarily jive with what we first think of.
I could legally get away with growing food in a pile of decomposing bodies and call it "organic" and the public would immediately think rainbows and unicorns because we have been conditioned to believe that "organic" means that barefoot hippies in sun dresses grow stuff on unspoiled lands...
Tricky use of common adjectives for marketing purposes has been around forever.
It's still up to us the animal keeper to understand what we are looking at when deciding on these things. Google each ingredient, understand what is in there and it's purpose.
Having a million acres of old forest at my disposal, I just simply dug up the good stuff, fresh forest floor dirt. I guess I take this privilege for grated.