Chuckled. HN taught me that nitrogen fixing used to be a natural bottleneck to h...

		aitchnyu on Sept 14, 2019 \| parent \| context \| favorite \| on: Estimates that mineral levels in vegetables have d... Chuckled. HN taught me that nitrogen fixing used to be a natural bottleneck to human population growth and factory-made nitrates made calories cheaper and caused a population explosion. And farming practices left the land less suitable for feeding them.