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silence7@slrpnk.net to United States | News & Politics@lemmy.mlEnglish · 2 年前

Hay grown for cattle consumes nearly half the water drawn from Colorado River, study finds

www.latimes.com

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Hay grown for cattle consumes nearly half the water drawn from Colorado River, study finds

www.latimes.com

silence7@slrpnk.net to United States | News & Politics@lemmy.mlEnglish · 2 年前
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Much of the Colorado River's water is used for agriculture. A new study shows 46% of the water that is diverted is used to grow hay to feed cattle.

Archived copies of the article: ghostarchive.org archive.today

The study itself is here

  • aodhsishaj@lemmy.world
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    2 年前

    I do not understand why we don’t just plant switch grass and be done with it? It’s native to a large swath of the arable land, doesn’t require as much (in some areas any) irrigation and it’s good for the soil. https://cropwatch.unl.edu/benefits-switchgrass-hay-and-forage

    https://utia.tennessee.edu/publications/wp-content/uploads/sites/269/2023/10/SP701-B.pdf

    Edit: Also 6.24 is closer to a third of 19.25 than it is a half. Which is still a massive amount of water. Why inflate the numbers by saying nearly a half?

    • sugar_in_your_tea@sh.itjust.works
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      2 年前

      What’s even more frustrating is that it’s not useful. Here’s an article about Utah’s water usage WRT alfalfa:

      alfalfa and other kinds of hay sucks up 68% of the 5.1 million acre-feet of water diverted every year in Utah

      …

      amounts to 0.2% of the state’s annual gross domestic product

      …

      Almost a third of it is exported, mostly to China, taking far too much of our water with it.

      So, Utah is using 2/3 of their water to produce 0.2% of their GDP and exports almost a third of it. It’s completely stupid…

    • punkideas@lemmy.world
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      2 年前

      It’s because you have to use your water to keep water rights. Flood irrigating alfalfa is an easy way to use up a lot of water to keep the rights without having to manage more complex farms. The current way that water rights works creates perverse incentives.

    • silence7@slrpnk.netOP
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      2 年前

      Water which evaporates from reservoirs or wetlands isn’t “drawn” from the river for human use. So it’s about half of water removed for human use

      • cjoll4@lemmy.world
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        2 年前

        Thanks for the clarification!

    • delirious_owl
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      2 年前

      I dont understand why we dont ban cattle breeding & importing and be done with it?

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