Nutrient Management Home Page

Welcome to - the Nutrient Management home page. This website provides information and resources in the following areas:

  • Nutrient management planning
  • Manure management
  • Regulations affecting animal feeding operations

Please contact John Lory if you have problems with this web resource, have suggestions for new resources you would like to see on the site, or cannot find something you used to use on our old site.

What's New:

NMTracker: NMTracker is a web-based tool that is used to create a map of your farm. It allows you to draw fields, determine field size and create maps needed for completing a nutrient management plan. Tutorials and videos showing how to use the tool are now available. Replaces SNMP 2.1

CAFO Construction Permit no longer required for most permitted operations: House Bill 28 (effective 8/2013) eliminated the requirement for construction permits for new concentrated animal feeding operations except for earthen storages such as lagoons. MDNR has released guidance on how to permit operations without a construction permit until Missouri rules are amended for the new legislative requirements.

New Pork Board Fact Sheet on PEDV and manure handling: New guidelines have been released to minimize spread of Porcine Epidemic Disease Virus (PEDV) through manure handling activities. PEDV can survive for extended periods in manure. These guidelines minimize risk from manure applicators spreading this costly disease.

The New NOAA Atlas 14 Volume 8 Precipitation Frequency Atlas for Midwestern States including Missouri. This new resource allow you to find the probability of a range of design storms. Included is information on Missouri manure storage design storms such as 24-hour, 25-year storm and the wettest year in ten 365-day storm.

New Missouri Web-Based Document Generator: This tool allows you to generate the plans you need when writing a nutrient management plan in Missouri using Purdue's Manure Management Planner. Follow the link for more information.

The Missouri Clipper Updated: The Missouri Clipper provides data files needed to run SNMP, MMP and RUSLE2 as part of developing a nutrient management plan for any farm in the US depending on data availability. Files provided in the download include aerial photos, topographic maps, soils data and the new version includes digital elevations (DEM layer).

Missouri CAFO Nutrient Management Technical Standard: This standard defines how manure nutrients are managed on Missouri CAFOs. This standard will affect existing CAFOs when their permit is renewed.

Supporting tutorial for using the MO P Index: The Missouri P Index is one method of assessing phosphorus loss from a field. This web page includes links to download the Missouri P index and a tutorial on how to obtain RUSLE2 values needed for the P Index from Purdue's Manure Management Planner. This is complicated so beware!

The Missouri Manure Plant Available Nutrients Calculator Updated: This calculator estimates nutrient availability in manure using MDNR availability coeficients. The calculator was recently updated to simplfy data entry requirements.


Website Index:

Nutrient Management Planning Software and Support: Nationally available software tools and internet access to data needed by nutrient management planners to write a plan.

Missouri Nutrient Management Tools: Missouri-specific tools that help nutrient management planners complete a plan. Includes some innovative tools that could be developed for other states... so take a look!

Missouri Manure Management Resources: Links to a diverse set of resources commonly needed by planners.

Training Opportunities: List of the nutrient management training courses offered by University of Missouri Extension. We try to offer Certified Crop Advisor and CAFO Operator continuing education credits for all these courses. No courses are currently scheduled.

Regulatory Issues: Information on CAFO regulatory issues at the national, state and county level.

Weather Resources: Tools to help you monitor and manage this most unpredictable element of Missouri Agriculture.

Related Resources: Links to other resources that may be helpful to nutrient management planners.

University of Missouri Links: Some of the most useful web resources at MU.