IMMAG - Iowa Manure Management Action Group

Contact us

(515) 294-9590 or e-mail

March 2007 IMMAG Update

Welcome to the monthly electronic update for the Iowa Manure Management Action Group (IMMAG) web site. This update is provided as a service to inform you about changes made to the IMMAG Web Page or items of interest dealing with manure management and air quality from animal feeding operations. If you wish to receive this mailing or have your name removed from the mailing list please contact me at (515) 294-9590 or You may also view this update with direct links on the CURRENT NEWS site on IMMAG.

CURRENT NEWS: The Current News page on the IMMAG site is updated weekly. Please check this site often for the latest news regarding animal feeding operations and manure management issues.  

IMMAG Fact: Congratulations to the member of IMMAG!  The IMMAG concept and technical group first originated in March 1997.  The IMMAG Web page was born later that year.  Want to know more about the IMMAG technical group and their mission? Visit: Members of IMMAG meet quarterly to discuss regulatory requirements, develop new educational and informational materials and to provide guidance to the IMMAG Web site manager. 

The DNR has recently updated Appendix A of the manure management plan forms to include average yields from 2002-2006.  A copy of Appendix A can be found on the DNR web page at: 

In addition, the DNR has also recently updated the construction permit form.  For more information on changes to Appendix A and the construction permit forms, please see

PUBLICATIONS:  Members of IMMAG have recently completed 3 fact sheets in the Iowa Manure Manager Series.  This series of fact sheets is available only on the web.  The 3 newest titles plus the earlier fact sheets can all be found at:
            Volume 4 Being a Good Farm Neighbor
            Volume 5 Financial Resources for Livestock Producers
            Volume 6 Is Manure the Same as Fertilizer as a Crop Nutrient Resource?

RUSLE2 and the Iowa P-Index Workshop
April 16, 2007 from 9 a.m. to 4 p.m. Buena Vista County Extension Office, Storm Lake, IA. This workshop will teach the fundamentals of using the RUSLE2 and Iowa P Index software.  This workshop will focus on the use of these software programs for open feedlots that need to develop nutrient management plans as part of their operation permits, however concepts will apply to confinement facilities and manure management plans as well. Registration is limited to 30 people and you must bring a laptop computer. Software will be provided.  For additional information please contact Kris Kohl at 712-732-5056, Kapil Arora at 515-382-6551 or Angie Rieck-Hinz at 515-294-9590.  Registration information and workshop details can be found at Please note: As of Friday, March 23, only 4 seats were available in this workshop.

Anaerobic Treatment of Agricultural Wastes – May 21-22, 2007, Des Moines, Iowa
A national short-course on the Anaerobic Treatment of Agricultural Wastes is being offered by The Department of Agricultural and Biosystems Engineering at Iowa State University. The course will be held at the Hotel Fort Des Moines on May 21 & 22, 2007. The course is designed to provide information on the selection, implementation and operation of anaerobic digesters for manure and agricultural wastes for technical service providers, environmental technicians and facility operators interested in using anaerobic treatment at their facilities; and for technical service providers, NRCS personnel, regulatory and environmental agencies, and extension professionals involved with the implementation anaerobic treatment systems. Topics will include a background and introductory information on anaerobic digestion, cost sharing and support opportunities, biogas production rates, collection, handling, and electricity production, marketing carbon credits, anaerobic digestion and biogas use at ethanol plants, centralized digestion, and multiple case studies. Equipment, product, and service providers will be available during daily breaks and receptions. For more information, contact Robert Burns ( or Lara Moody ( or 515-294-7355.

Angela Rieck-Hinz
2104 Agronomy Hall
Iowa State University
Ames, IA 50011
(515) 294-9590
Iowa Manure Management Action Group

Manure sampling - Click on photo to enlarge

Manure sampling.


Newest IMMAG update available.