Solid Waste & Recycling

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Fertilizing the good ol' fashioned way … with DRYWALL?!

The project is a welcome opportunity in the face of current provincial statistics—that only 10 to 15 per cent of construction waste in Alberta is recycled.


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Agriculture Canada’s Lethbridge Research Centre is working on a project that could see construction waste like drywall turned into…fertilizer.

Wood that’s chipped and mixed at a rate of four parts manure to one part chips can be spread as fertilizer, and even contain higher levels of calcium sulfate, according to the centre’s research staff.

The project is a welcome opportunity in the face of current provincial statistics—that only 10 to 15 per cent of construction waste in Alberta is recycled.

According to its website, the Lethbridge Research Centre is one of the largest facilities within Agriculture and Agri-Food Canada’s national network of 19 research centres. Located in southern Alberta, the centre was established in 1906 in a ideal location to address issues related to sustainable crop production systems under dry land and irrigated conditions, environmental issues associated with a semi-arid climate, and beef production systems. The centre also leads research in the development of bioindustrial platforms, particularly for triticale, and biocontrol.