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Central, IA | Just like real estate....Location Location Location.
We did it in central Iowa for 5 years. Same deal, needed to update planters and were on 36" rows. Jumped to 20's. Didn't see a yield advantage going to them. Didn't see a yield drop going back to 30" either. The words split N application and 20" corn are kind of an oxymoron. I side-dressed it, but it was a challenge. We did take out 2 row units to leave a 40" space 100" on center. That was nice to drive in for spraying, but it meant the sprayer was 60' or 120'.
We now plant beans on 30" rows.
In simple terms. Save yourself the hassle and expense unless you are far enough north it is justified. | |
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20 Inch rows on corn and beans
