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Home > Protecting Our Lands & Waters > Clean Water Fund > Groundwater & Drinking Water Protection > Nutrient Management Survey

Nutrient Management Survey

 Gathering Information to Improve Education, Outreach and the Environment

Fertilizer and manure inputs are an essential component of a sound nutrient management plan. Under some circumstances these essential inputs may have detrimental impacts on Minnesota's water resources. For both agronomic and environmental reasons, establishing a better understanding of nutrient inputs (rates and sources) and their associated management (timing and placement) is needed.

Minnesota Department of Agriculture (MDA) staff is committed to collecting unbiased and accurate information about nutrient management in Minnesota. This information is highly beneficial for:

  • Guiding future educational and research programs
  • Gauging the effectiveness of implementation programs
  • Understanding trends in fertilizer use efficiency

Characterizing Localized Ag Practices

In 1994, theTwo producers shaking hands in front of a pickup truck MDA launched its first attempt at quantifying fertilizer use and management. The diagnostic tool was called FArm Nutrient Management Assessment Program (FANMAP). This tool has provided highly detailed information about agricultural inputs such as fertilizer, manure and pesticides. This tool is extremely useful when working with farmers in regions across Minnesota.

Information about on-farm management and inputs is collected by a personal visit to each farm and typically requires one to two hours of contact. Since its inception, thousands of Minnesota farmers have shared valuable information about their farming practices. For more information, please visit the MDA's FANMAP website.

Characterizing Regional and Statewide Ag Practices

The MDA has partnered with the USDA National Agricultural Statistic Service (NASS) and University of Minnesota researchers to collect information about fertilizer use and farm management on a broader scale than FANMAP. Partners have pioneered a survey tool for characterizing fertilizer use and associated management on a regional and statewide scale. Surveys are conducted over the phone. Enumerators from NASS are highly skilled at obtaining critical information over the phone with minimal time and burden on the producer.

These activities are made possible by funding from the Clean Water Land and Clean Water Land & Legacy Amendment logoLegacy Amendment. 

The first attempt using this technique was in 2010. NASS enumerators surveyed approximately 1,500 corn farmers from across the state to gather information about commercial fertilizer use.








National Agricultural Statistics Service logo Minnesota Department of Agriculture logo University of Minnesota logo

MDA Contacts

Denton Bruening
Fertilizer Management Adviser
Denton.Bruening@state.mn.us ~ 651-201-6399

Bruce Montgomery
Fertilizer Section Manager
 Bruce.Montgomery@state.mn.us ~ 651-201-6178