Carrie Laboski, Extension Soil Scientist, Department. of Soil Science, University of Wisconsin-Madison, Kevin Shelley, Outreach Specialist, Nutrient & Pest Management Program, University of Wisconsin- Madison, have created a new video about using the pre-sidedress nitrate test (PSNT).
The corn has been planted and is starting to grow. Now is the time to consider using the PSNT to help adjust a farmer’s sidedress N fertilizer rate.
To learn how and why to take PSNT samples, view the following video here.