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A comment on The Coming Food Catastrophe. Parent comment

Re:The Coming Food Catastrophe by Kerrick on Thursday May 19, 2022 @05:31PM (#31440437)
Here’s a good guide from 1917 — after the Haber process was invented, but before its widespread use in the Green Revolution. https://naldc.nal.usda.gov/download/ORC00000242/PDF
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