That was messed up, but seriously the dude either has not researched at all, or does not retain information he reads.
Has anyone ever tried to read about something seriously complicated and basically could not read it, just made you want to skip? Maybe this guy is on that level with less complicated things. So instead of trying to tell him how to grow I think he needs to know how plants work first.
http://library.thinkquest.org/3715/root2.html
Read around on that website and you can grow marijuana without any help from a grow community.