There was a guy who post here on agTalk that had been working with that.  I don't remember his handle.

I think the idea behind this is that having alternating rows will help with air flow.  In a really hot summer, you won't have the heat build-up in the middle of a corn field.  If I remember correctly, the edges of the corn helped to increase corn yields, but I don't think it helped the soybeans, since the corn would shade the soybeans somewhat- especially late in the season.

edit: here's a couple of articles from the past on the subject.  Marc Burggraff is the name I was thinking of:

http://talk.newagtalk.com/forums/thread-view.asp?tid=265956&posts=9&highlight=strip%20cropping&highlightmode=1#M2039255

http://talk.newagtalk.com/forums/thread-view.asp?tid=116720&mid=826200#M826200

http://talk.newagtalk.com/forums/thread-view.asp?tid=111442&mid=789475#M789475

http://talk.newagtalk.com/forums/thread-view.asp?tid=108024&mid=765290#M765290