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Published June 03, 2013, 10:32 AM

Circular economics

Hardie has been pushing a small-scale “designer fertilizer” concept (also called “smart nitrogen” and “enhanced efficiency fertilizer”). The $20 million units stand in contrast to $1.5 billion projects that some of his friends in the corn industry are promoting for commodity nitrogen.

By: Mikkel Pates, Agweek

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