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Alberta pulp mill sludge found to make excellent fertilizer after decade of research

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Alberta pulp mill sludge found to make excellent fertilizer after decade of research

November 14, 2011 - 05:11

EDMONTON, Nov. 14, 2011 (Vancouver Sun) -When folks at the Alberta Newsprint Company first noticed tomatoes growing in their pulp effluent sludge, they had a chuckle.

"We figured since there was a small amount of sanitary waste treated on our landfill site, and since tomato seeds pass through the human digestive system, that a tomato-eating staff member was the source," joked Dan Moore, environmental co-ordinator for the Whitecourt papermaking plant.

"But the bigger question was, ‘Why was the pulp sludge so plant-friendly?' "

Vancouver Sun - Alberta pulp mill waste makes excellent fertilizer

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