PKP OJS usage by journal subject

I would like to know how many journals in PKP OJS cover agriculture & natural resource subjects. I imagine this type of information would be helpful in other fields as well. Also, how many OJS journals are also listed in DOAJ?

We don’t currently have this kind of data on our user community. I’d suggest running an advanced google search to track down what you are looking for. For example:

As well, the DOAJ doesn’t track OJS usage, but another advanced google search can help:

Good luck with your searching.