Technology

The largest - and what some say, the smartest - three-row tomato harvester has made its debut on the agricultural scene. Joe Spencer describes this impressive implement with its nine pumps that run 38 hydraulic motors to operate various functions. Issue date: 23 February 2007

Cyrus McCormick's invention of the first successful mechanical reaper in 1831 revolutionised harvesting productivity. Issue Date:16 February 2007