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Chad Penn - Removing dissolved phosphorus from non-point sources with P removal structures: the good, the bad and the ugly - YouTube. Presented at the Spring 2022 water quality research seminar hosted by Iowa Nutrient Research Center. Duration 1:00:17 

 

 /ARSUserFiles/50201000/fact sheets/chad-oh-talk.JPG

Chad Penn - Developing a New Approach to Soil Phosphorus Testing and Recommendations. Presented at the 2020 Conservation Tillage and Technology Conference, held March 3-4, 2020, Ada, OH, USA. Duration 30:21