I'm not sure if those goes against popular thinking. It only looked at one small part of the ecosystem (i.e., what's in the soil). In that one small part they m

I'm not sure if those goes against popular thinking. It only looked at one small part of the ecosystem (i.e., what's in the soil). In that one small part they may have found a null result, as you call it. I would be curious to see something that aggregated the research of the different parts of the ecosystem to look at a more holistic impact.