SnapMaps allows you too customize the field label to include data such as acres, ph, p, k etc. You can use up to two variables at a time for your label. To get to field labels, click the Field Properties tab on the left panel that says Layers. Next click on the text Field labels.
You should now see something like this:
Now select the variables you would like to use as your label. Remember you can use up to two. Then click Create Labels. You labels should refresh to reflect these changes. If there is no value for a data point for a field, a n/a will appear. This means the data was not uploaded from SnapPlus. (such as its a new field and data has not been uploaded from SnapPlus)