Likely, if agro-scientists and farmers focused mainly on the macro nutrients like NPK, which I have seen anecdotal evidence of. Heck, not even humus, maybe, for

Likely, if agro-scientists and farmers focused mainly on the macro nutrients like NPK, which I have seen anecdotal evidence of. Heck, not even humus, maybe, for a long time. Source: some early background in ag (in India).