this post was submitted on 25 Apr 2025
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Yep systems that could automatically dose the fertiliser were not yet in widespread use. Farmers don't want to over-fertilise for the simple reason that fertiliser costs money but before those systems were available it was all too easy to say "fuck it I'll drown the field so that there's enough everywhere".
Not rotating crops seems to be a US thing, farmers over here never stopped doing that. There's also EU-wide laws about having to either let land fall fallow, or plant cover crops or nitrogen fixers. You can, in principle, plant your nitrogen fixers year after year on one field and your cash crops on another, but only if you're a complete idiot.