This video from Classic Tractor Fever shows a little-known no-till fact – that International Harvester actually was the first to release a no-till planter design in 1952-53, but exited after only 2 years, thus yielding history to Allis Chalmers when it comes to first commercially successful no-till planter. Purdue’s Don Rhine and ag historian Maurie Williamson explain the M-21 from IH.