“…do they extend to the entire sector?” <— I’d wager on this.
Lots of university research on experimental plots, but, so far doesn’t seem to scale up to large ag and simple operations and maintenance.
Not ready for prime time. Large, well-funded companies sometimes fail to develop new technologies properly because they lose sight of practical aspects and of the needs of their customers. Or, like Xerox, they pioneer the world-changing new technology of the personal computer but then give up the effort for the sake of corporate cost-cutting and inability to recognize and develop the potential of what they have created.