Note: work done by hired workers does count, however work done on contracted fields does not - you must own the field for the counter to increase. These achievements are also known to be slow sometimes, so you might have to do a little extra.Note 2: This must be done in a single save game, but is not limited to a single session
Harvesting is running the combine harvester, the forage harvester, a beet harvester, potato harvester, or sugar cane harvester. The started fields on the included maps are generally less than 3ha (hectares) each.
Continue with this to unlock: