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5 points

What’s new to me in this data is that the increase in cropland for humans for a vegan diet is still less that what we currently feed to animals in spite of the enormous amount of pasture they also require.

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1 point

except that the food that is fed to livestock is largely crop seconds or parts of crops that people can’t or won’t eat. so we need to find a whole other use for those parts of the plants or accept it as waste.

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4 points
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I know a lot of people who grow feed on prime agricultural land. Like, can you eat alfalfa? Have you ever tried feed varieties of maize?

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2 points

people definitely eat alfalfa sprouts. to be clear, i didn’t say no land is used explicitly for feed, but much of the land that is used for growing feed is actually growing some crop that will produce multiple products, with feed being only one of them.

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2 points

Or we can use it as compost, which we should be moving towards producing and using instead of manure as fertilizer for a lot of our agriculture. That way it doesn’t go to waste even if it does get ‘thrown out’.

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-3 points

even so, we would still probably expand cropland to feed a vegan world

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4 points
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Yep. As a rule of thumb, 1/10th of the energy makes it to the next trophic level in any food chain. We might be doing better than that, but you’re still going to to be wasting a lot of land at 30% end-to-end efficiency.

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