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North West IA/western AZ | I'm south of you a ways in somewhat hilly country. I started by leaving the hills untouched and planting into standing stalks. I mapped the areas that was tilled and compared yield data that fall. I could not tell any difference in the yield for 2 years. After that I went all in trying rolled before vs. rolled after, coulter/whipper combo vs. whippers alone and different planting directions. What I've settled on is floating trash whippers ( shark tooth and spiked work the same), plant on 5° slant, and harvest with the old corn rows. I use Deltaforce at 100# for downpressure, but you will need to experiment to find out what is best for your fields. | |
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amount of downforce no till
