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Managing ‘Brown Gold:’ the Challenges—and Opportunities—of Spent Substrate

Civil Eats

It’s also one with many potential uses ; it can be used as compost, as a means of decontaminating soil, as biofuel, and simply for growing more mushrooms. They showed up like two weeks later with a tractor and a big truck to load it in,” he said. It wasn’t a tough sell. In the U.S.,

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