Posted 8/24/2007 07:25 (#192374 - in reply to #192178) Subject: Re: 15" wheat with JD 1790CCS planter
The topic of wheat yield w/ 15-inch planter vs 7.5-inch drill was discussed on this forum some months ago. A couple people had done side-by-side tests, and as I recall there was about a 10% yield penalty to the 15-inch rows. One of those was from the eastern Corn Belt.