Robotics and automation aren't just for transport.
There is an entire "secret" industry of agricultural tech including robot vehicles and tools.
Like these and more:
http://www.pbs.org/wgbh/nova/next/te...n-and-sensors/
And this breed of automation isn't displacing anybody. Instead it is making up for labor shortfalls and amplifying the output of the existing labor force.
Lots of amazing things are happening out there, if we'll only pay attention.