Yet there is indeed a gulf in productivity between the modern commercial farmers and the campesinos.

ECONOMIST: Chile

Raised on a farm, Mr Harford was well aware of the challenges facing modern livestock farmers.

BBC: Banker backs alpaca flock

To a modern economist, the farmers of the Luo tribe of Kenya have a very peculiar relationship to money.

FORBES: Magazine Article

Where we want to look is to modern farmers using ecological intelligence, using free energy to produce food grass converting the sun's energy by photosynthesis into feed for an herbivore that we in turn eat.

WSJ: Dan Barber's Culinary Crusade

But studies of the DNA of farmers living in Europe some 5, 000 to 8, 000 years ago often show affinities with modern-day peoples in the Near East and Turkey, while appearing different from earlier hunter-gatherer populations.

WSJ: Migrations Spurred Agriculture Spread, Studies Indicate