Posted 12/28/2016 18:59 (#5728622 - in reply to #5728411) Subject: RE: Except for the fact that you circled Paraguay.
Death comes to us all. Life's but a walking shadow
That big healthy area you circled is Paraguay and the last I checked they don't raise much soybean there.
The best way to use vegetative maps is to compare them with maps of the same week in previous years. Here's week 51 for 2015. We know that it was quite dry in Mato Grosso then.