Through the fertiliser looking glass

By Matthew Cawood
Updated December 22 2015 - 9:55am, first published November 21 2012 - 4:00am
Hydroponic tomato trial in NSW. Tomatoes on right have been treated with MaxSil.
Hydroponic tomato trial in NSW. Tomatoes on right have been treated with MaxSil.

A POTENT plant fertiliser made of ground-up discarded window glass? David Archer thinks it’s a $16 billion global market, with some justification.

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