- Tim Lamyman
- 17.95 tonne(s)/metric ton(s)
- United Kingdom (Louth)
The highest wheat yield is 17.95 tonnes/ha (39572.97 lbs/ha) and was harvested from 8.2920 ha (20.49 acres) by Tim Lamyman (UK) in Louth, Lincolnshire, UK, on 10 August 2022.
Tim's belief in his technique of harvesting wheat inspired him to attempt this Guinness World Records title.