1) the open fields
2) practice of common pasture on the stubble and fallow
3) regulation of cropping, grazing, other farm management *by an assembly of cultivators.*
i think the last may be very important. #EverySocietySelectsForSomething
one area of late antiquity/early medieval farming that was shared was common waste areas; didn't involve village assemblies, tho.
this is "core" core europe, then.
and the individualistic regions in close proximity to the "core" are *where the reformation happened.* cambridge.org/core/journals/…