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A Mid-Scale Anaerobic Biodigester Creates On-Farm Renewable Energy

ATTRA

So, when I heard of the mid-scale anaerobic digester being installed at Dickenson College Organic Farm as a demonstration of how small dairy farms can utilize manure and other waste streams to produce on farm energy, I was eager for the opportunity to visit the farm and help spread the word to other farms.

Farming 52
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PFAS Shut Maine Farms Down. Now, Some Are Rebounding.

Civil Eats

In late 2021, the Maine DEP identified 60 sites where 10,000 cubic yards of biosolids were applied as fertilizer with homes within half an acre of the application, a practice the agency called “Tier 1” because it presented the highest risk to human health. The spreading of sludge as fertilizer remains legal in all U.S.

Farming 112
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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. Composed of sawdust and soy pellets woven through with mycelium—the thread-like aspect of the fungus from which mushrooms sprout—spent substrate is a unique kind of waste. In the U.S.,

Compost 111
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Can Biden’s climate-smart agriculture program live up to the hype?

Food Environment and Reporting Network

These entities will pass most of the money on to tens of thousands of farmers, ranchers, and forest owners, including growers who manage thousands of acres and underserved and disadvantaged farmers who often have much smaller operations. Better manure management is among the climate-smart practices the USDA is funding in the partnerships.