This dimension sorts agricultural implements by their power source, human, animal, engine or electric. Wikipedia notes that "especially since the advent of mechanised agriculture, agricultural machinery is an indispensable part of how the world is fed," a shift that moved farm power from muscle to machine. Browsing by power source keeps implements powered the same way grouped together.
Facts
Comparison
Primary Power Source Power Source
Sources
1. Wikipedia: Irrigation
WikipediaIrrigation, surface-irrigation section, water-movement sentenceQuote, Irrigation, surface-irrigation section, water-movement sentence
Water moves by following gravity or the slope of the land.
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