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Ron Sheffield

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    seattletimes.nwsource.com/html/localnews/2003930991_mag - [Cached Version]
    Published on: 10/7/2007    Last Visited: 10/7/2007  

    First, animal-waste management engineer Ron Sheffield, of the University of Idaho's extension office in Twin Falls, gathers manure in 25-gallon buckets, then seeds it with fly eggs imported from a commercial insect grower.He's gone through 700 gallons of manure so far.
    ...
    "The fish I'm out fishing, they've been eating only bugs and other wigglies," Sheffield, an avid angler, points out.

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    www.lincolndailynews.com/News/other091407_g.htm - [Cached Version]
    Published on: 9/14/2007    Last Visited: 9/15/2007  

    First, animal waste management engineer Ron Sheffield, of the University of Idaho, gathers manure in buckets, then seeds it with fly eggs imported from a commercial insect grower.He's gone through 700 gallons of manure so far.
    ...
    "It makes sense to me that the black soldier flies are closer to their natural food than corn and soybean meal," said Sheffield, an avid angler.

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    www.westernlaw.org/watershed/wacafo_060704.html - [Cached Version]
    Published on: 6/7/2004    Last Visited: 4/6/2007  

    The bad smells from the Smith Brothers lagoons are likely the result of chemical reactions that produce hydrogen sulfide and ammonia, according to Ron Sheffield, a dairy-waste-management specialist at the University of Idaho.If the concentration of oxygen in a manure pond is kept at the proper level by aeration, Sheffield says, those reactions don't occur, and the lagoon doesn't stink.

    But manure lagoons are complex systems, and keeping them properly oxygenated can be difficult, especially for a dairy that's just starting to operate, Sheffield says.

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    www.idahostatesman.com/103/story/80554.html - [Cached Version]
    Published on: 4/21/2007    Last Visited: 4/23/2007  

    This summer, a Twin Falls dairy will host a field pilot project, said Ron Sheffield, waste-management engineer and assistant professor at U of I.Sheffield declined to name the dairy, but here's how the project will work:Manure from dairy cows will be stored in a container.Black soldier fly larvae will be added to the manure, which they use as a food source.When the maggots approach adult stage , soldier flies do not eat after adulthood , they'll crawl out of the manure and into storage containers.Bon app,tit!The insects are fish food.A bonus: Waste from the insects, St.-Hilaire said, could be a more nutritious fertilizer than regular manure.Also, early tests show cow manure volume is greatly reduced by the insects, sometimes as much as 60 percent, Sheffield said.

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    www.ktvb.com/news/health/stories/ktvbn-sep1407-idaho_tr - [Cached Version]
    Published on: 9/14/2007    Last Visited: 9/15/2007  

    First, animal waste management engineer Ron Sheffield, of the University of Idaho, gathers manure in buckets, then seeds it with fly eggs imported from a commercial insect grower.He's gone through 700 gallons of manure so far.
    ...
    "It makes sense to me that the black soldier flies are closer to their natural food than corn and soybean meal," said Sheffield, an avid angler.

  • View Online Source
    www.pnwis.org/PNWIS2007a/presentations.htm - [Cached Version]
    Published on: 10/19/2007    Last Visited: 6/18/2008  

    Chair: Ron Sheffield (U of Idaho)
    ...
    Ron Sheffield (U of Idaho) Mario de Haro Marti (U of Idaho, CAFO Environmental Extension)

    Continuous EmissionsMeasurement FollowingLand Application: A Field Trial Using UV-DOAS Monitoring Coupled with Backward Lagranian Stochastic Modeling.Ron Sheffield, Md ZakirHossain (U of Idaho)

  • View Online Source
    AG Weekly Online -- Twin Falls, Idaho - [Cached Version]
    Published on: 7/17/2004    Last Visited: 7/23/2004  

    JEROME, Idaho -- University of Idaho agricultural engineer Ron Sheffield is pretty sure he has come up with a system to eliminate excessive phosphorus loading on concentrated animal feeding operations.

    He's so sure it will reduce phosphorus ... Full Story >>>Forage superbowl set for October

  • View Online Source
    AG Weekly Online -- Twin Falls, Idaho - [Cached Version]
    Published on: 6/7/2003    Last Visited: 6/7/2003  

    The University of Idaho's Ron Sheffield, who in March completed the first phase of a project to measure the level of odor at ag operations, said Monday he can't go forward until the Legislature works on the law.Sheffield came to Magic Valley from North Carolina two years ago in part to find solutions to the area's dairy odors.

    The situation came to a head on Monday, when Laurien Warren of Filer was turned down for a public records request she made in late April for data concerning dairy odor on the Desert Rose Farms dairy near Filer.

    Warren, who lives in the neighborhood of Desert Rose, said she requested the information to make sure the University of Idaho, the Idaho Department of Environmental Quality and the Idaho Department of Agriculture, all three of which have worked on the issue, are working together.

    "I want to know, 'Is anyone compiling this information into one succinct data format?'" Warren said.

    The University of Idaho denied the request for the information from the first phase of Sheffield's study because "unpublished or in-progress research" constitutes "trade secrets."The trade secret the university referred to is in regard to an odor-measurement device called a facial mask field olfactometer invented by Sheffield.

    But Sheffield said that if he were to press forward with the second part of the project, Idaho law would not protect it from public scrutiny.That part of the study will include the data to be used to establish odor standards.Then, those standards would be offered to the state Legislature to put into law.After that, the Ag Department would be able to proceed with issuing violations to ag operations exuding odors that exceed those associated with "accepted agricultural practices."

    In order to get those measurements, Sheffield said he had planned to monitor about 30 dairies.But he said now that he sees the problem with the Idaho public records law, he won't be able to assure dairymen the measurements won't be used against some of them until after the numbers are codified.

    The dairy industry has made it clear that dairymen will not put themselves at risk of potential lawsuits in case the next round of data are prematurely released, Sheffield said.

    "It's just common sense.Why would anyone put themselves at risk of a potential lawsuit when anyone with a typewriter can get access to their data?"Sheffield said.
    ...
    Sheffield said if he were able to go forward with the study and then forced to release the information before the standards became law, the action would affect all states with large confined animal feeding operations.

    "This isn't just for Idaho," Sheffield said."This is a precedent that will go nationwide, and we aren't going to make any progress with the Clean Air Act."

    In fact, Sheffield's dilemma is similar to one already being worked on at the national level.The U.S. Environmental Protection Agency is working out a deal with operators of huge hog and poultry farms to gather information about air emissions on their facilities for two years, meanwhile exempting them from violations of the federal Clean Air Act.

    In late December, Sheffield had stated in a meeting to Warren and her neighbors that he planned to have the study completed before the 2004 Legislature convenes.But he stopped the project after Warren made her first request for the records in March.

    "It's totally because of this," Sheffield said."It's 1,000 percent cause and effect."

    He said he had asked her to rescind the request.But Warren said the university did not respond to her request in timely fashion, so she continued with a second request in April.

    Sen. Tom Gannon, R-Buhl, represents the district where Warren lives.He said the situation alarms him because the odor standards are in jeopardy of being put off for another year.

  • View Online Source
    AG Weekly Online -- Twin Falls, Idaho - [Cached Version]
    Published on: 3/13/2004    Last Visited: 3/14/2004  

    The dairy odor funding was intended to cover such things as measuring emissions from large dairies, said Ron Sheffield, an agricultural and waste management engineer for the University of Idaho.
    ...
    Sheffield said he is not sure of the validity the textbook values upon which the Idaho Conservation League is basing its suit.

    "The majority of these values are entirely inappropriate," Sheffield said.Still, "good, bad or indifferent, we have to know where we are so we can start from there."

    In addition, he said there are air quality issues in the Treasure Valley regarding how ammonia from concentrated animal feeding operations and other sources will react with nitrous oxides and sulfur oxides.

    "We have to develop a control plan that will protect the health and environment of all of Idaho," Sheffield said."Cutting these funds would put the project in jeopardy.

  • View Online Source
    AG Weekly Online -- Twin Falls, Idaho - [Cached Version]
    Published on: 1/29/2005    Last Visited: 2/5/2005  

    UI's Ron Sheffield to be Honored by Dairy IndustryTWIN FALLS -- Ron Sheffield, waste management specialist at the University of Idaho's Twin Falls research and extension center, has been selected for the 2005 Western Dairy Business Outstanding Educational Support Award.

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