@GhostOnTheHalfShell @ChrisMayLA6 @blair_fix

The #foodandagriculturalorganisation has been a long way ahead of other bodies in the undertaking high quality international statistical comparisons - beginning with the late and great #salemkhamis - commemorated in the
#geary #khamis approach to comparisons. A paper from them obtained by me as early as 1986 - which I have kept - supports your finding in that countries like #japan and #egypt had particularly high levels of output per hectare. .