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The last of the Precision Nutrient Management winter crop harvest was wrapped up in Chickasha June 25. Across the trial locations (Lahoma, Perkins, Chickasha, and Stillwater) the yields came in across the board in the high teens low twenties, bushel per acre. For most of the trials there was very little treatment difference, often the check ( Zero N) was not far from the fertilized plots. At this time the students are processing the grain. Some will be sent to a NIR Spectrophotometer for protein analysis the rest will be ground and analyzed for nitrogen and mineral content. The response to fertilizer was so low this year many of my trial areas have a double crop sorghum growing, in hopes to take advantage of the recent rains and harvest the residual nutrients. While I am processing the data and the students are running the samples I thought I would share a few of the images from the 2014 harvest. I will post results on the npk.okstate.edu as the become available and share the information on this blog. The best way to learn when results are posted are to follow me on Twitter @OSU_NPK or subscribe to our Extension news list serve (send me an email at firstname.lastname@example.org to be added to the listserv).