Northern New York Agricultural Development Program-funded research conducted on regional farms by the Cornell Nutrient Management Spear Program and its Cornell Cooperative Extension, W.H. Miner Agricultural Research Institute, and farmer collaborators has developed recommendations for using two testing tools to help farms optimize nutrient use over time. Those tools are the late-season Corn Stalk Nitrate Test (CSNT) and the Illinois Soil Nitrogen Test (ISNT).
Learn more: https://www.nnyagdev.org/wp-content/uploads/2012/02/NNYADPManureResearchImpactPR.pdf