Answer: This might not be what you were looking for but this website gives you 4 examples and there's a video to watch.
https://nmliving.com/2016/08/21/legendary-new-mexico-technology/
<span>"the distance between successive crests of a wave, especially points in a sound wave or electromagnetic wave"</span>
Dry farming's purpose was to conserve limited moisture during dry weather by reducing or even eliminating runoff and evaporation, thereby increasing soil absorption and retention of moisture.
