this post was submitted on 24 Aug 2023
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Why is the eutrophication so high for dairy? I’d think pesticide use would drive up the value on plant-based products. Cows don’t need fertilized grass/hay. Is it from the cow excrement? Wouldn’t excrement be too valuable as a fertilizer and for producing methane power to just let it all run off into streams etc.?
In New Zealand HUGE amounts of fertiliser are used to boost the amount of grass grown and thus cows per unit area. Some ends in groundwater and a lot can end up in streams and rivers too.