Marijuana Fertilized by Fish Waste? A Canadian Cannabis Company Is Making It Happen

Closed loop system sees fish fertilize plants, while plants filter the water for the fish. The unlikely combination of freshwater fish and cannabis is producing outsized medical marijuana crops that Green Relief Inc. aims to capitalize on, as the Canadian company plots a stock market listing and global expansion. In an underground southern Ontario facility surrounded by farmland, Green Relief operates a cutting-edge aquaponic farm, using filtered fish waste to fertilize cannabis plants, which in…

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Author: Thomson Reuters, CBC News