Researchers at the University of Warwick have found a way of using some the most difficult waste material from coal mines and quarries that will also significantly reduce the rapid depletion of the worlds best peat resources.
The researchers in the University of Warwick’s horticultural research arm, Warwick HRI, have been able to develop new substitute products from quarry and coal mine waste which can replace some of the 250,000m³ of peat are used each year for growing mushrooms in Britain and Ireland and even more peat used for “blocking compost” in propagation of other plants.
One of the new products, developed by University of Warwick researcher Professor Ralph Noble at Warwick HRI, uses very fine quarry waste from Staffordshire to replace peat used in “blocking compost” for some plants. The other product uses very fine coal tailings waste Yorkshire to replace 30% of the heavy black peat in the “casings” used in mushroom growing.
Peter Dunn | University of Warwick
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