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| Go here - http://www.isafarmnet.com/agronstudies/ Click on any of the nitrogen studies and start reading. Want 2005 data?, 2006 data? 2007 data will be out this January. Draw you own conclusions. Look at the 75# vs 125# data, interesting stuff. How you do things, what you do and how much you use are important. Your farm will be different but the ISA did studies across Iowa so will be relevant in many areas; and many studies are esentially site independent. | |
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