this post was submitted on 28 May 2024
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I’m familiar with agriculture, having gone to school, read books, and grown plants.
It seems that you are the one being intentionally obtuse. You and I both know that carbon dioxide is kept elevated in greenhouses on purpose because doing so increases the yield of plants grown in those greenhouses.
Yes, other chemicals are necessary to build a plant. The most abundant one however is carbon dioxide. It’s where like 99% of the plant’s mass comes from. And the levels of carbon dioxide in the air change the rate of plant growth.
Nitrogen is also a big limiting factor, but fortunately we’ve found out how to extract nitrogen from the air efficiently using methane, so we can have enough nitrogen fertilizer to feed everyone.