Methodology for the reclamation of phosphogypsum stacks in Canada using afforestation / Tim Keddy, Connie Nichol and Derek Sidders. : Fo4-215/2023E-PDF

"The goal of this operations guide is to assist those who seek to establish and manage fast growing, high-yield afforestation plantations for the vegetation of phosphogypsum (PG) stacks. The approach offers aninnovative reclamation option that makes beneficial use of PG rather than treating it as waste. CWFC operational researchers envisioned an opportunity to use the industrial waste in situ as a vital input to a favourable environment for the growth of trees. In likely the first effort of its kind, CWFC in partnership with Nutrien Inc. has established and grown a forest on a PG stack. Protocols developed for the establishment andmanagement of the short rotation woody crops on these industrial sites provide industry with a cost-effectivemethod for growing high value crops, combatting climate change, and producing feedstock for the generation of green energy. There are multiple long-term benefits of establishing mixedwood forests on PG stacks. Thesebenefits include increasing carbon sequestration, improving long-term ground water quality, increasing wildlife habitat and ecosystem biodiversity, and enhancing long-term sustainability while reducing long-term maintenance costs"--Introduction, page 1.

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