You return from a long day reporting in the field — only to realize you didn't record ambience. Rats! This post will help ensure that you get the sound you need to tell great stories.
This is more of a podcaster/journalist focused resource, but NPR has a whole bunch of publicly available articles with practical recording and production advice - https://training.npr.org/tag/production-sound/
Old school hip hop producer DJ Premier has a pretty great series of videos on what producing hip hop was like in the late 80s and early 90s (think stories about recording to ten pound reels of tape that could hold 15 minutes of audio and carrying around binders of floppy disks with stems to sessions with Fat Joe and Big L)