How do farmers also have their fields plowed so straight for so far? Do they use GPS guidance somehow? And if they use some sort of tech, were they able to plow fields this straight back in the day?
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Gps or Row marker.
A row marker is basically a metal bar on the side of the tractor thats parallel to the ground that has perpendicular bar thats long enough to drag on the ground, effectively “marking” the next row.
It’s a rudimentary method but very efficient.
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