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Bradsher and Martin report that in Iowa, farmers are reverting to the traditional practice of spreading pig manure on their fields as a way of coping with shortages of synthetic fertilizer. Some are even integrating hog barns into their operations:
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www.salon.com/tech/htww/2008/04/30/is_there_enough_pig_...
www.salon.com/tech/htww/2008/04/30/is_there_enough_pig_manure/
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Worm Digest - All kinds of information about earthworms and vermicomposting. ... CHANGES IN THE MICROBIAL COMMUNITY STRUCTURE AND ACTIVITY DURING VERMICOMPOSTING OF PIG MANURE ... Home Latest News Technology and Science Research Vermicomposting of Pig Manure...
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www.wormdigest.org/content/view/449/2/
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Pig and hog manure converted to compost and animal feed with screw press. ... Trials running pig manure through our KP presses have been run in the States and Canada, and KP-6 presses have been sold to pig farmers in Costa Rica and Sri Lanka. In all cases the press has done its job of separating solids and liquids,
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www.vincentcorp.com/applications/issue85.html
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Descriptors: pig-farming. pig-manure. management, application-to-land. farm-size. regional-surveys. minnesota. ... Descriptors: phormidium, spirulina, cell-culture. waste-water. pig-manure. waste-water-treatment. biological-treatment. aerobic-treatment. algal-protein. biomass, chemical-composition.
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www.nal.usda.gov/wqic/Bibliographies/swine2.html
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Gaithersburg MD (SPX) Jun 13, 2008 - After a close examination of crude oil made from pig manure, chemists at the National Institute of Standards and Technology (NIST) are certain about a number of things. ... But, according to a new NIST paper, pig manure crude will require a lot of refining.
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www.energy-daily.com/reports/Chemists_Get_Scoop_on_Crud...
www.energy-daily.com/reports/Chemists_Get_Scoop_on_Crude_Oil_From_Pig_Manure_999.html
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The Enviropig, developed at the University of Guelph in Ontario and introduced to the world in August, have been modified so that their manure contains up to 75 percent less phosphorus than the average swine. Several substances in pig manure cause environmental damage, but phosphorus is one of the major culprits.
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www.motherjones.com/environment/2001/10/next-pig-thing
www.motherjones.com/environment/2001/10/next-pig-thing
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A village in Bavaria is recovering after being flooded with liquid pig manure. ... Page last updated at 19:11 GMT, Wednesday, 22 February 2006 ... A tank containing the fetid fertiliser burst, sending a deluge of porcine waste into the courtyards and streets of Elsa, police said.
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news.bbc.co.uk/2/hi/europe/4741262.stm
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Researchers at the University of Illinois in Urbana-Champaign, led by Dr. Yuanhui Zhang, have developed a system that converts pig manure into crude oil on an industrial scale. ... The technology works by a thermochemical process that uses heat and pressure to break down the pig manure hydrocarbon chains.
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www.associatedcontent.com/article/33951/producing_oil_f...
www.associatedcontent.com/article/33951/producing_oil_from_pig_manure.html
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Received for publication June 9, 2006. In order to minimize odor and manage nutrients in liquid pig manure we need to be able to predict what operational practices most influence the concentrations of volatile fatty acids (VFAs), ammonium nitrogen (NH4+–N), and other nutrients present in the manure.
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jeq.scijournals.org/cgi/content/abstract/36/2/440
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