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  2. Biochar - Wikipedia

    en.wikipedia.org/wiki/Biochar

    A pile of biochar Biochar mixture ready for soil application. Biochar is charcoal, sometimes modified, that is intended for organic use, as in soil. It is the lightweight black remnants remaining after the pyrolysis of biomass, consisting of carbon and ashes; and is a form of charcoal. [1]

  3. Wood diesel - Wikipedia

    en.wikipedia.org/wiki/Wood_diesel

    In the process, either new plants are grown to be used in the process, or a new crop is planted to replace the harvested plants. The charcoal byproduct is put back into the soil as a fertilizer. According to the project's director, Tom Adams, since carbon is put back into the soil, this biofuel can actually be carbon negative not just carbon ...

  4. Hydrothermal carbonization - Wikipedia

    en.wikipedia.org/wiki/Hydrothermal_carbonization

    If the entire plant could be used for fuel production, the energy yield could be increased by a factor of three to five with the same cultivation area when growing fast-growing plants such as willow, poplar, miscanthus, hemp, reeds or forestry, while simultaneously reducing energy, fertilizer and herbicide use, with the possibility of using ...

  5. Terra preta - Wikipedia

    en.wikipedia.org/wiki/Terra_preta

    The absorption of P, K, Ca, Zn, and Cu by the plants increases when the quantity of available charcoal increases. The production of biomass for two crops ( rice and Vigna unguiculata ) increased by 38–45% without fertilization ( P < 0.05), compared to crops on fertilized ferralsol.

  6. 14 Surprising Uses for Coffee Grounds - AOL

    www.aol.com/14-surprising-uses-coffee-grounds...

    Still, be sure to have some regular fertilizer on hand as well, since the high acidity of coffee grounds should be balanced out to achieve a more neutral pH for your plants. 13. Natural cleaner

  7. Wood ash - Wikipedia

    en.wikipedia.org/wiki/Wood_ash

    Wood ash from a campfire. Wood ash is the powdery residue remaining after the combustion of wood, such as burning wood in a fireplace, bonfire, or an industrial power plant.It is largely composed of calcium compounds, along with other non-combustible trace elements present in the wood, and has been used for many purposes throughout history.

  8. Teen Turns Holiday Trash to Treasure by Transforming Broken ...

    www.aol.com/teen-turns-holiday-trash-treasure...

    A New York teenager is spreading holiday cheer in an inspiring and sustainable way this Christmas. For the fourth year running, Andrew Reid, 19, has constructed a giant dazzling holiday light ...

  9. All of the best Black Friday deals: Amazon, Walmart, Wayfair ...

    www.aol.com/lifestyle/all-of-the-best-black...

    Updated: Black Friday's best weekend deals are here on Apple AirPods and iPads, Samsung TVs, Bissell vacuums, KitchenAid and Ninja small appliances, gifts for men, women and kids — and more.

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