Ruth DeFreis on nutritional yield

Remember Jeremy’s rant a few months ago about how we should measure farm productivity? And my subsequent post discussing a paper on the same subject? Well, Jeremy is like a terrier when it comes to such things, so now you can hear him interview the lead author of that paper, Ruth DeFreis. Head on over to Eat This Podcast for the answer to the perennial question: “If calories were everything, why would we have a billion iron-deficient people?”

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