Tractors and farming in general have dramatically changed throughout the last 20 years or so. They've become much bigger in size (and thereby more efficient), t

Tractors and farming in general have dramatically changed throughout the last 20 years or so. They've become much bigger in size (and thereby more efficient), they're mostly self-driving once in the field and control now the whole operation very precisely down to centimeter accuracy e.g. for fertilizer application.