Sustainability Problems with 'Repackaged' Synthetic Nitrogen in Organic Agriculture


Organic vegetable growers often use nitrogen from conventional animal manure and slaughter by-products. These 'repackaged' synthetic N fertilizers cause sustainability problems in organic soil fertility management.  This video by USDA-ARS scientist Dr. Eric Brennan was first presented at a symposium "sustainability challenges in organic agriculture,"  at the the American Society of Agronomy annual meeting in Phoenix, Arizona in November, 2016. https://scisoc.confex.com/scisoc/2016...

Important questions addressed here are as follows:
  • Should organic farmers be allowed to use pure synthetic nitrogen fertilizers rather than just repacked synthetic N? 
  • Can't legumes produce the agricultural nitrogen needs for our current world population? 
  • Can nitrogen fertilizers be produced with renewable energy? 
  • Are synthetic nitrogen fertilizers toxic? What's 'sporganic agriculture'
Sustainability Problems with 'Repackaged' Synthetic Nitrogen in Organic Agriculture

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