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62 points
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It’s the black plastic bag material that people used to cover their soil and poke holes through for their crops.
I never thought it was called plastic mulch though.
19 points
2 points
Yes, but mulch has the meaning of ground up wood, so I think most people would think it was ground up plastics.
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Like, everywhere?
https://duckduckgo.com/?q=plastic+film+used+as+mulch+in+agriculture
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