Nitrogen Use Efficiency, Nitrogen Fertilizers, NUE, Nitrogen and the EnvironmentCollaborative work Dennis McIntosh, Saskatchewan, Canada 

World Nitrogen Use Efficiency for Cereal Production is 33%,
Agronomy Journal 91:357




http://www.producer.com/2006/10/noted-farmer-researcher-dies-suddenly/

Using a customized modification, Dennis McIntosh prepares to collect sensor readings from N Rich Strips and Farmer practices in order to make improved fertilizer N recommendations.