Exhaust-fuelled cropping makes sense

By Andrew Marshall
Updated September 5 2016 - 7:09am, first published September 2 2016 - 4:30am
 German visitor to Commonwealth Bank AgQuip, Joe Herfort, from Agrotop, Munich, talks with Stubble Cruncher principal, Colin Harper “Taravale”, Ariah Park, about his tractor roof mounted Exhaust Fertiliser converter developed with aircraft engineer David Finch.
German visitor to Commonwealth Bank AgQuip, Joe Herfort, from Agrotop, Munich, talks with Stubble Cruncher principal, Colin Harper “Taravale”, Ariah Park, about his tractor roof mounted Exhaust Fertiliser converter developed with aircraft engineer David Finch.

Southern farmer Colin Harper has drastically slashed his fertiliser costs by recycling tractor exhaust fumes into his cropping soils.

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