A footnote should be added to caution against using Red Maple and some species of Oaks in Mississauga, Markham, Richmond Hill, Vaughan and othe GTA areas where the native soils have pH levels and manganese levels that are not appropriate for these...A footnote should be added to caution against using Red Maple and some species of Oaks in Mississauga, Markham, Richmond Hill, Vaughan and othe GTA areas where the native soils have pH levels and manganese levels that are not appropriate for these species.More
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6 years ago | Details