Inspiration struck Yi Zheng on a summer visit to a local dairy farm. There were cows and horses and, Zheng noticed, that meant that there was manure everywhere.
Materials Science
Oct 21, 2021
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163
Methane produced by manure and food waste in landfills doesn't have to go to waste. Using anaerobic digesters, the gas can be harnessed for energy.
Environment
Oct 11, 2017
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The nearly 9,000 hogs at Loyd Ray Farms in Yadkin County, N.C., produce 400,000 gallons of manure every week. Since the waste had too high a nitrogen content to be used as fertilizer, owner Loyd Bryant used to pump that waste ...
Energy & Green Tech
Jan 9, 2012
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(PhysOrg.com) -- The famous Inca city of Machu Picchu in the Peruvian Andes was rediscovered by American explorer Hiram Bingham in July 1911 and the area plans to hold a special 100 year celebration this year. However, the ...
Strict requirements on the use of animal manures in fresh produce production imposed by the new federal food-safety law threatened to adversely impact the mushroom industry, which relies on horse and poultry manure for a ...
Other
Sep 20, 2013
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Hens usually prefer to lay their eggs in nests but it is not unusual for some eggs to be laid on the floor of the hen house or on the ground and in some cases the incidence of floor eggs can be quite high. A new study aims ...
Plants & Animals
Jul 30, 2013
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A new study of methane emissions from livestock in the United States—led by a researcher in Penn State's College of Agricultural Sciences—has challenged previous top-down estimates.
Environment
Nov 30, 2017
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Giving new meaning to the term "server farm," a team of Hewlett-Packard researchers has come up with a plan for combining cow chips and computer chips to build an environmentally friendly data center -- powered by manure.
Energy & Green Tech
May 19, 2010
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As two important greenhouse gases, about 20% and 62% of global carbon dioxide (CO2) and nitrous oxide (N2O) emissions originate from the soil, especially agricultural and forest soils. Therefore, it is necessary to explore ...
Environment
Mar 16, 2022
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16
Horticulturists at Pennsylvania State University have come up with a low-cost, green method for recycling so-called "gray" water -- the stuff from sinks, showers and washing machines that would otherwise go down the drain.
Environment
May 24, 2010
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