Farm employment numbers are historically very hard to track. Partly because they fluctuate a lot from season to season, partly because a large portion of farm workers are undocumented. They're also not included in the monthly job numbers, which means we hardly ever talk about them on Jobs Friday. But today we're bringing you "Farm Jobs Friday" as we zoom in on three big trends in farm employment. *For sponsor-free episodes of The Indicator from Planet Money, subscribe to Planet Money+ via Apple Podcasts or at plus.npr.org). Music by Drop Electric). Find us: TikTok), Instagram), Facebook), Newsletter). *Learn more about sponsor message choices: podcastchoices.com/adchoices)NPR Privacy Policy)