HOMESPONSORS

Marion Calmer
Independent Researcher, Alpha, Ill.

The Yield Impact of Destratification, the Sequel

Independent researcher Marion Calmer (No-Till Innovator alum and a No-Till Farmer Legend) revisits the much-referenced vertical nutrient stratification presentation he introduced at the 2022 event in Louisville. He is a 4-time recipient of the conference’s Best Speaker award. His 2023 update from his own fertility plots examines how no-tillers can minimize nutrient stratification while maximizing yield potential. The Alpha, Ill., farmer also includes data from his 2022 nationwide stratification study of farmers across the U.S. Learn why vertical stratification is more devastating than horizontal variability and how to solve this yield-robbing problem. 

 
 

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