[ProtectOurFreedom]

Now, I’m no farmer, but wouldn’t a guide wire buried in a field cause havoc with plows and harrows?

[Yo-Yo]

Now, I’m no farmer, but wouldn’t a guide wire buried in a field cause havoc with plows and harrows?

No longer any need. You now have GPS guided tractors for plowing, and GPS guided Combines for harvesting. The operator guides the tractor or Combine to a row, then the autopilot takes over and drives a perfectly straight line.

The Combine also monitors yield as it harvests, and provides a complete map of the field with yield data so the farmer knows what spots in the field may need more drainage, more watering, more fertilizing, etc.

https://www.nasa.gov/feature/directorates/spacetech/spinoff/john_deere

[PeterPrinciple]

Now, I’m no farmer, but wouldn’t a guide wire buried in a field cause havoc with plows and harrows?

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In the 30’s/40’s wire check planting was used. a wire was stretched across the field to plant in squares so you could cultivate from both directions.

so the concept of a wire on the ground was not unheard of. I remember seeing the wire but never seeing it used. We might still have it.

https://www.bing.com/search?q=wire+check+planting+corn&form=EDGTCT&qs=SC&cvid=3761a081a39544fe92e1599f0c1a9b24&refig=899df17fa12f4b1cc40206b9a9c51ddc&cc=US&setlang=en-US&PC=ACTS