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Rather than plowing corn cobs under, Iowa farmers will be able to sell them to plants that will turn them into ethanol and fertilizer. The farmers can just leave the cobs piled in the fields and have them picked up. 25,000 acres of corn fields will be used, generating about a ton of cobs [...] Corn cobs ready to be used as fuel in coal plant Not only are harvested corncobs an excellent ethanol feedstock, removing cobs from the fields rather than plowing them under results in no substantial difference in soil nutrient content. “This information reinforces previous research showing that corncobs are a sustainable, environmentally friendly feedstock for [...] |  | ||||
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