February 28, 2010 GRIST: Our other addiction: the tricky geopolitics of nitrogen fertilizer You must have flash to see this embedded document. (download) Click here to download: Grist on Nitrogen Fertilizer.pdf - Adobe Acrobat.pdf (80 KB) http://www.grist.org/article/2010-02-11-tracking-u.s.-farmers-supply-nitrogen-fertilizer/print/PALL
