Manure Emissions News

  • Research indicates new tool for reducing ammonia emission

    USPOULTRY and the USPOULTRY Foundation announce the completion of a funded research project at the University of Georgia in Athens, Ga., in which the researchers found evidence of a new tool to reduce ammonia emission from broiler litter. The research project is part of the Association’s comprehensive research program encompassing all phases of poultry and egg production and processing. A ...

  • Manure from millions of hogs fuels natural gas project

    One recipe for renewable natural gas goes: Place manure from about 2 million hogs in lagoons, cover them with an impermeable material and let it bake until gas from the manure rises. Then, use special equipment to clean the gas of its impurities and ship the finished product out. That's the vision of one of the largest biogas projects of its kind in the U.S. currently being installed in northern ...


    By Associated Press

  • BiOWiSH™ reduces sludge and odor at Texas dairy

    June 30, 2011 For Immediate Release CHICAGO, IL - BiOWiSH™ Manure & Odor Treatment (Beef & Dairy) reduced sludge and odor during a recent case study at a Texas dairy farm. The owner of Wilhelmus Dairy began using the ...


    By BiOWiSH Technologies

  • Bio-QZ processes cow manure for anaerobic digestion

    The community of Sand in Taufers in the Italian South Tyrol has set itself the target of eliminating the CO2 emissions of its population. A decisive role in achieving that aim plays a AD plant on cooperative basis. The used cow dung as substrate is pre-treated by the MeWa QZ. Sand in Taufers and its 5,300 inhabitants are forging ambitious plans. Local government and citizens are ...


    By ANDRITZ MeWa GmbH

  • Manure runoff depends on soil texture

    Research has documented the rise of nutrient runoff from flat agricultural fields with high rates of precipitation that adds nitrates and phosphates to waterways. These nutrients increase the amount of phytoplankton in the water, which depletes oxygen and kills fish and other aquatic creatures. While injecting animal manure slurry into the soil has been proven to be an effective way of reducing ...

  • Emissions data from animal feeding operations study now available / EPA also solicits additional information to further understand emissions (HQ)

    The U.S. Environmental Protection Agency is making data publicly available from a two-year study of air emissions from animal feeding operations (AFOs). AFOs, which house large numbers of animals for production of meat, dairy products and eggs, were monitored for the following air pollutants: ammonia, hydrogen sulfide, particulate matter and volatile organic compounds. The data available today ...

  • Muckbuster Changes Runoff from Problem to Profit

    Free-range pig farms near coastal regions are an example of a farming practice, which has resulted in a change in the local ecosystem, which can be dangerous to humans. When the slurry from free-range pig farms is not contained and moves into the streams, which empty into the rivers, and finish in the sea, the enormous increase in nutrients in the water creates a huge population of seaweed, and ...


    By SEaB Energy Ltd.

  • Comparing N2O emissions from organic and mineral fertilisers

    A recent study compares the effects of organic, 'natural' fertilisers, such as compost, with mineral, synthetic fertilisers, such as urea, on N2O emissions from Mediterranean soil. It suggests that there is little difference between the fertilisers, but that pig slurry offers the best overall balance in terms of emissions and crop yield. Nitrous oxide (N2O) is a powerful greenhouse gas (GHG). ...

  • Microbe diet key to carbon dioxide release

    As microbes in the soil break down fallen plant matter, a diet 'balanced' in nutrients appears to help control soil fertility and the normal release of the greenhouse gas carbon dioxide into the atmosphere. When plants drop their leaves, stems and twigs, this organic matter slowly becomes part of the soil as a result of decomposition, which is facilitated by bacteria and other microbes. This ...

  • Treating animal manure with borax cuts odor

    Hydrogen sulfide is one of the compounds contributing to the stink from manure storage pits on hog farms. Microbial activity in the manure releases the hydrogen sulfide and other compounds. Today, at an American Society of Microbiology meeting in Boston, Mass., Agricultural Research Service (ARS) scientist Cheryl Spence reports the results of a study in which 'dusting' hog manure with borax ...

  • NFU demands action over nitrate vulnerable zone (NVZ) proposals

    Defra (the UK's Department for Environment, Food and Rural Affairs) must make substantial alterations to its proposals to change Nitrate Vulnerable Zones before any action is taken to implement them, the National Farmers' Union warns. The NFU has submitted a list of 45 recommendations for alterations as part of its submission on the proposals, which it estimates will cost farmers hundreds of ...


    By National Farmers Union

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