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Manure & Nutrient Management

Animal Waste Multistate Research/Extension Committees

About 25 percent of the formula grants that go to each state from NIFA are to be used for the purpose of multistate research and extension committees. The committees convene scientists from various states and disciplines to share research and extension activity results and procedures to minimize the duplication of research and extension efforts. Within this team, scientists can more easily coordinate research and extension activities that will have multistate or national benefits. In some cases, committees may coordinate the writing of summary reports or develop common procedures and practices.

Listed below are committees that have objectives relating to the management of animal manures or the impact of animal manure management on the environment. Further information about these committees can be obtained by contacting the NIFA representative listed below. Some of the committees listed below may have only a small part of their activities related to animal waste.

Animal Manure and Waste Utilization, Treatment, and Nuisance Avoidance for a Sustainable Agriculture, S-1000

R. Hegg, NIFA representative

  • Develop management tools, strategies, and systems for land application of animal manures that optimize productivity and are compatible with sustained land and water quality.
  • Develop and evaluate constructed wetlands, riparian zones, and other vegetative systems for treating animal wastewater.
  • Develop and refine physical, chemical, and biological treatment processes and engineering systems for management of manures and other wastes.
  • Develop and refine methodology, technology and management practices to reduce odors, gases, airborne micro flora, particulate matter, and other airborne emissions in animal production systems.
  • Develop and evaluate feeding systems for their potential to alter the excretion of environmentally sensitive nutrients by livestock.


Water Quality Issues in Poultry Production and Processing, W-195

R. Reynnells, NIFA representative

  • Develop methods for proper management and recycling of poultry production and processing waste to improve water quality.
  • Determine water quality factors that affect poultry performance and market product quality.


Environmental and Economic Impacts to Nutrient Flows in Dairy Forage Systems, NE-132

H. Tyrrell, NIFA representative

  • Develop, evaluate, and refine cropping, grazing, and feeding strategies to optimize the dairy farm system for nutrient utilization, environmental impact, and profitability.
  • Develop research-based information, recommendations, and educational materials in support of state extension, teaching, and NRCS programs, agricultural consultants, and producers to strengthen the U.S. dairy industry.


Air Quality Issues Associated with Animal Facilities, NCR-189

H. Tyrrell, R. Hegg and M. Rozum, NIFA representatives

  • To facilitate interaction and exchange of information on research related to air quality issues associated with animal facilities.
  • To identify common interests among researchers and educators to initiate joint research and education programs on air quality issues associated with animal facilities.
  • To develop technologies and management practices to manage the impacts of air quality problems associated with animal facilities.


Crop and Ruminant Systems to Conserve Mid-Western Unglaciated Soils and Water Quality, NC-157

R. Knighton, NIFA representative
D. Savaiano (IN), administrative advisor

  • Evaluate alternative forage production systems in intensive cattle management.
  • Evaluate cattle response to alternative forages.
  • Evaluate forage-grain-cattle management systems that conserve soil and water quality.


Improved Crop and Livestock Management for Protecting the Non-Glaciated Upper Mississippi Valley, NC-10112

M. A. Rozum, NIFA representative

  • Quantify the change in crop sequences and animal production during the past 25 years within these regions to determine the appropriate conservation strategies for protecting soil and water quality considering existing production systems.
  • Evaluate strip till against other soil and water conservation tillage system goals of: erosion control, water quality, and crop production for this karst topography.
  • Develop and quantify the role of cover crops, living mulches, and alternative crops for mixed crop-livestock operations in MLRA 105.
  • Develop alternative forage-based livestock management strategies for MLRA 105 and determine impacts on profitability; soil, water, and air quality; and nutrient balances.
  • Model surface water quality impacts of current and alternative land management strategies in MLRA 105.


Characterizing Nitrogen Mineralization and Availability in Crop Systems to Protect Water Resources, NC-218

R. Knighton, NIFA representative

  • Develop and evaluate rapid tests for soil nitrogen mineralization capacity across the various soils and climatic regimes of the region and determine the feasibility and most appropriate conditions for use of these tests.
  • Conduct fundamental work to enhance current understanding of the role of active carbon and nitrogen pools in cropping systems and to predict net mineralization as influenced by carbon sequestration.
  • Develop a guidance document for agricultural professionals focusing on nitrogen best management practices and optimum rate determinations for the region.


Interior Environment and Energy Use in Livestock Facilities, S-291

R. Hegg, NIFA representative
J. Cherry (GA), admin advisor

  • Develop methods to quantify and reduce levels of dust, ammonia, and odors in poultry and swine facilities.
  • Quantify animal physiological and production responses to interior thermal environments in warm and cool weather.
  • Develop and evaluate environmental control systems for poultry and livestock facilities that enhance indoor air quality, reduce energy use, and benefit animal productivity.


Nutritional Systems for Swine to Increase Reproductive Efficiency, S-288

H. Tyrrell, NIFA representative

    • To assess the benefit of supplemental chromium picolinate in gestation-lactation diets for reproducing sows.
    • To evaluate the effects of fiber during gestation on reproductive performance and subsequent lactation performance of sows.
    • To determine the effectiveness and long-term effects of using microbial phytase in diets for reproducing sows to reduce phosphorus excretion.


    Minimizing Agricultural Phosphorus Runoff Losses for Protection of the Water Resources, Sera-Ieg-17
    M. Rozum, NIFA representative

      • To develop an interdisciplinary approach to identify phosphorus-sensitive watersheds and water bodies: expanding and improving upon the Phosphorus Index site assessment tool.
      • To develop best management practices (BMPs) to reduce agricultural phosphorus losses to surface waters by erosion and runoff.
      • To develop an animal manure application strategy based on both phosphorus and nitrogen.
      • To develop upper, environmentally based, critical limits for soil test phosphorus and new soil testing methods that can more accurately identify sites where its loss will be of significant environmental concern.


    Water Quality Resource Strategy and Coordination, Ncs-5

    M. ONeill, NIFA representative

      • Identify water quality research and outreach needs.
      • Transmit information from objective 1 to the Land-Grant University System.
      • Develop and recommend organization and procedures for allocating grant funds.


    Soil Microbial Taxonomic and Functional Diversity as Affected by Land Use and Management, S-297

    R. Knighton, NIFA representative

    • To determine the geographic and temporal variability of E. coli ribotypes in the United States.
    • To determine relationships among microbial taxonomic and functional diversity, contaminant bioavailability, and remediation rates for different organic-contaminated soils.
    • To characterize taxonomic and functional diversity of bacteria and mycorrhizae in disturbed lands and urban landscapes.


    Chemistry and Bio-Availability of Waste Constituents in Soils, W-170

    R. Knighton, NIFA representative

    • Characterize trace element chemistry in soil and waste to predict plant uptake and movement of trace elements in soil.
    • Determine the chemistry of nutrients in organic wastes and the bioavailability and mobility of soil-applied organic waste nutrients.
    • Characterize trace element chemistry in contaminated soils and evaluate the effects of soil remediation on trace element chemistry, bioavailability, and mobility.


    Management of Eroded Soils for Enhancement of Productivity and Environmental Quality, NC-174

    M. A. Rozum, NIFA representative

    • Determine erosional and landscape impacts on soil processes and properties.
    • Assess management effects on eroded soil productivity and quality of soil, air, and water resources.


    Soil Organic Matter, NCR-59

    R. Knighton, NIFA representative

    • Promote research cooperation among its members and NC-174 members.
    • Promote the use of standard techniques of characterizing soil organic matter and assessing soil quality. Specifically, develop and publish the Handbook of Methods for Assessing Soil Quality.
    • Foster interest in understanding the basic principles of soil organic matter dynamics and application of those principles to soil quality problems of regional and national scope.
    • Work with national and international societies to co-sponsor soil organic matter/soil quality-oriented symposia.


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