Agricultural robots

Grader A: hit

Automatic milking robots have been sold commercially since the early 1990s (Lely Astronaut and others), and robotic weeders were on sale by the early 2020s. Available before 2021.

Test: D37 Horizons: ag robots buyable by ordinary farms by 2023 (earlier counts).

• Automatic milking (Wikipedia) (1992): Automatic milking systems commercially available since the early 1990s; Lely Astronaut among leading products.

Grader B: hit

Robotic milking systems (Lely Astronaut) were sold since the 1990s; Naio Oz weeding robots were sold from 2013-2016; Carbon Robotics LaserWeeder and Deere's autonomous 8R tractor were sold in 2022.

Test: Farmers could buy agricultural robots outside pilots by 2023 (earlier counts).

• Automatic milking (1992): Commercial milking robots in use for decades.
• Autonomous tractor (2022-01): John Deere's autonomous 8R tractor announced for sale in 2022.