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how much oxygen does hemp produce

Does 1 acre of hemp produce more oxygen than an equivalent amount (let alone 25x) of forestland? [closed]

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Closed 4 months ago .

I have a friend who likes to promote hemp on Facebook, and one of the posts had this “factoid”:

Looks highly doubtful to me but I can’t find any real supporting/disputing info.

Is there anything that would support/refute this claim?

1 Answer 1

Comback Daily argues that with two crops per year and with more efficient C4 photosynthesis .

The claim is based on the false premise that Cannabis species use C4 photosynthesis.

Several of the grasses use C4 photosynthesis. Despite its nickname, Cannabis species are not members of the grass family. They are members of the Cannabaceae family, all of which use C3 photosynthesis (the same mechanism used by most trees). No member of the Cannabaceae family is listed in a very extensive list of C4 plants [Sage], and the photosynthesis in Cannabis sativa is consistent with C3 photosynthesis rather than C4 photosynthesis [Chandra].

Does 1 acre of hemp produce more oxygen than an equivalent amount (let alone 25x) of forestland? [closed] Want to improve this question? Update the question so it focuses on one problem only by