 or vigor. And so if you're looking at some of the best parts of the field, that image is going to look really dark green and tell you that that's a really good part of the field. If you're in a poor performing part of the field, it'll be lower and look red. And so it really gives you a sense of that variability out across the field and lets you know where the crop is doing really well and too well in some cases for wheat if you have too much nitrogen on it and where it's not.