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• n  (KNO3) used especially as a fertilizer and explosive

• Germany needed French carbide-cyanamide for saltpeter, French bauxite for aluminum; France needed German iron and steel for emergency railroad tracks and barbed wire .
• They start with talk about a hunger strike against the saltpeter in the mashed potatoes, move on into persecution of a weak, homesick child named Emery.
• This implies, of course, that more saltpeter than ever is being dumped into their rations.

• potassium nitrate
• saltpetre
• niter
• nitre

News & Articles

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• Creating plants that make their own fertilizer
  Since the dawn of agriculture, people have exercised great ingenuity to pump more nitrogen into crop fields. Farmers have planted legumes and plowed the entire crop under, strewn night soil or manure on the fields, shipped in bat dung from islands in the Pacific or saltpeter from Chilean mines and plowed in glistening granules of synthetic fertilizer made in chemical plants. No wonder biologist ...
  Aug. 26, 2013 - Science Daily