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Nutrient
Management

  Foaming Manure Pits are Dangerous
  Exploring Trends in Hog Manure Management
  Researchers Support Restructuring of the Discharge-Permitting Process
  A Comprehensive Look at Fall Nitrogen Application
  Minnesota Researchers Study Nitrogen Stabilizer for Fall Application
  New Publication on Manure Test Analysis
  Webcast to Focus on Proper Lagoon Closure
  Anaerobic Digester Webinar Set for Oct. 26
  Send Questions and Comments to...

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Foaming Manure Pits are Dangerous

The University of Minnesota is reminding pork producers, commercial manure pumpers and others to be alert to the dangers that can occur during pit pumping if there is a layer of foam on the surface of barn manure pits. This warning, according to a report posted by National Hog Farmer magazine, comes after a person was seriously injured in a manure-pumping incident in central Iowa. Manure pit foam contains numerous gases that are hazardous to people and animals. Methane in particular can cause barn explosions and/or flash fires.

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Now’s the Time to incorporate a Slurrystore System into your nutrient management program. Slurrystore is compatible for any system whether your goal is long term storage, nutrient retention, green containment, digesters or manure processing. Plus Slurrystore Systems include the added feature of agitation to help ensure nutrient consistency. Click here or contact your local Authorized Slurrystore Dealer for more information.

Exploring Trends in Hog Manure Management

A new U.S. Department of Agriculture Economic Research Service (USDA ERS) report provides information about trends and developments in hog manure management during the period from 1998 to 2009. The report is based on data collected in three national surveys of hog farmers during the 11-year period.

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Researchers Support Restructuring of the Discharge-Permitting Process

A recent paper published in the Journal of Animal Science suggests that giving permitting authority to state agricultural departments instead of environmental agencies could help simplify the permitting process. For many confined animal feeding operation (CAFO) owners, securing a National Pollutant Discharge Elimination System (NPDES) permit is expensive, inconvenient and confusing. Owners of CAFOs face complicated permitting systems that are inconsistent between states.

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A Comprehensive Look at Fall Nitrogen Application

In a recent issue of the University of Illinois Bulletin, Fabian Fernandez, assistant professor in the Department of Crop Sciences, provides an overview of the "What, When, Where and How" associated with fall nitrogen application. Fernandez says organic fertilizers derived from animals (manure, poultry litter, etc.) are good for use in the fall, providing nitrogen as well as phosphorus, potassium and other crop nutrients. Often, these organic fertilizers represent a less expensive source of nutrients compared with inorganic fertilizers, he adds.

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Minnesota Researchers Study Nitrogen Stabilizer for Fall Application

University of Minnesota soil scientists completed a research study evaluating the application of the nitrification inhibitor Instinct to fall manure applications. First, researchers investigated whether the addition of Instinct to fall-applied swine manure would slow nitrification of nitrogen (N) or stabilize the nitrogen in the manure. The second research question was whether or not early October applications of manure were at greater N loss compared to early November applications when the soil temperatures are cooler.

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New Publication on Manure Test Analysis

A new Iowa State University (ISU) publication helps producers make the most of manure test results. The publication, "How to Interpret Your Manure Analysis (PM3014)," is now available from ISU Extension and Outreach. The four-page document, which can be downloaded in PDF format, offers valuable, easy- to-understand information about the numbers producers see in laboratory analysis of manure samples. The publication explains how to use those numbers when formulating nutrient management plans. It also includes information on sampling frequency and which tests to request from the lab. Examples of lab reports are included. View and download the document at no charge at: store.extension.iastate.edu/

Webcast to Focus on Proper Lagoon Closure

The eXtension Livestock and Poultry Environmental Learning Center will be sponsoring a webcast on Oct. 21 at 1:30 p.m. (CDT), devoted to proper closure of earthen manure storage structures. When confined animal facilities cease operation, earthen manure storage and treatment structures must be closed properly to ensure that they pose little risk to the environment. Surface water and groundwater must be protected from manure and wastewater during and after closure of lagoons, settling basins and waste storage ponds. This webcast will feature a number of industry experts discussing examples and challenges related to properly closing earthen manure storage and treatment structures. Regulatory requirements for pre- and post-closure procedures will also be presented.

To learn more, go to www.extension.org/pages.

Anaerobic Digester Webinar Set for Oct. 26

A Renewable Energy Education Virtual Field Day on Oct. 26 will focus on the use of anaerobic digesters for livestock operations in the southwestern United States. This webinar will examine technical, environmental and financial factors to consider when installing an anaerobic digester on a livestock operation. Specific attention will be given to the use of digesters with dry manure and the unique environmental issues and climatic conditions of the Southwest.

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Send Questions and Comments to...


Lora Berg, Editor, Nutrient Management, at lora.berg@frontiernet.net

Dale Miller, Editor, National Hog Farmer magazine, at dale.miller@penton.com

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