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Yes but...

Some of the famines in the 1940s werent natural famines, they were due to war and colonizing forces, see:

https://nitter.net/i/status/1210635179221348352 (linking to Winston Churchill associates with Indian famine deaths: https://amp.cnn.com/cnn/2019/03/29/asia/churchill-bengal-fam... )

The other part of our predicament is that excess nitrogen impacts water supplies (see http://e360.yale.edu/features/the-nitrogen-problem-why-globa... ) and creates ocean dead zones ( see https://oceanservice.noaa.gov/facts/deadzone.html , https://oceantoday.noaa.gov/happenowdeadzone/ )



I think the point was without artificial fertilizer there would be famine everywhere all the time. But it is absolutely true that while necessary a nitrogen source fertilizer isn’t sufficient to produce food.




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