Uploaded April 2026 | Updated September 2026, 2 weeks ago
In this webinar for the Minnesota Soil Health Coalition, John Kempf discusses a paradigm shift in nitrogen management . John outlines how moving away from high-electrolyte "chemistry" fertilizers toward biological nutrition can build crop resilience and significantly reduce input costs . By understanding how different forms of nitrogen, such as ammonium and urea versus nitrate, impact plant physiology and water requirements, growers can navigate a transition to a system where soil biology provides the majority of the crop's nutritional needs .
In this webinar, John discusses:
High-yielding crops historically receive about 80% of their nitrogen as ammonium and 20% as nitrate .
Plants and soil biology interact with specific nitrogen forms like amino acids rather than generic N .
Nitrate requires three molecules of water for conversion, increasing a plant's total water requirement .
Foliar urea can be four to seven times more efficient than soil-applied nitrogen
Replacing the first 25 pounds of nitrogen with 25 pounds of sulfur can deliver an equivalent yield responses
Managing nitrogen with carbon and molybdenum reduces leaching and supports biological fixation
Additional Resources
To learn more about the Minnesota Soil Health Coalition, please visit: mnsoilhealth.org
To learn more about AEA's approach to Nitrogen Management, please visit: advancingecoag.com/article/regenerative-nitrogen
#minnesotasoilhealthcoalition #regenerativeagriculture #sustainableagriculture #farming #nitrogen #nitrogenfertilizer
In this webinar for the Minnesota Soil Health Coalition, John Kempf discusses a paradigm shift in nitrogen management . John outlines how moving away from high-electrolyte "chemistry" fertilizers toward biological nutrition can build crop resilience and significantly reduce input costs . By understanding how different forms of nitrogen, such as ammonium and urea versus nitrate, impact plant physiology and water requirements, growers can navigate a transition to a system where soil biology provides the majority of the crop's nutritional needs .
In this webinar, John discusses:
High-yielding crops historically receive about 80% of their nitrogen as ammonium and 20% as nitrate .
Plants and soil biology interact with specific nitrogen forms like amino acids rather than generic N .
Nitrate requires three molecules of water for conversion, increasing a plant's total water requirement .
Foliar urea can be four to seven times more efficient than soil-applied nitrogen
Replacing the first 25 pounds of nitrogen with 25 pounds of sulfur can deliver an equivalent yield responses
Managing nitrogen with carbon and molybdenum reduces leaching and supports biological fixation
Additional Resources
To learn more about the Minnesota Soil Health Coalition, please visit: mnsoilhealth.org
To learn more about AEA's approach to Nitrogen Management, please visit: advancingecoag.com/article/regenerative-nitrogen
#minnesotasoilhealthcoalition #regenerativeagriculture #sustainableagriculture #farming #nitrogen #nitrogenfertilizer
