I've never seen any more or less deer use with RR vs. non-RR corn or soybeans. In fact, I'd say that unless you have other herbicides to control weeds for non RR crops (not all are legal in NY for the "casual foodplotter" without a permit) - RR crops increase yeild and forage available.

Corn can grow quite well on soil with Ph 6.0 - or even in the high 5's. Its tough to go wrong putting extr nitrogen down at planting. With Roundup - you don't have to worry so much about giveing the weeds a head start with the fertilizer.

On most RR corn plots - we spray ONE time. Around 7/1 (or when the weeds are about 4" tall - but not more.

On RR soybeans - we usually spray 2X - 7/1 and 8/1 approx.

Here's the link to our planting post last year - some pics may be gone - but it might help a little:

http://www.huntingnet.com/forum/tm.aspx?m=1616777&mpage=1&key=corn&#16 16777

I had a better post with input from membersin 2004 - but the archives don't go back that far I don't think.

FH