Dark green strips in soybeans.  They align with anhydrous ammonia from the previous year's corn.  I've been told the strips have a lower pH which makes the Manganese more available.

I've noticed in my areas where I have manganese deficiency, that the beans are darker green and shorter in my rows that are over the tractor tracks.  I plant and spray in the same tracks and I know there is compaction. 

The beans that are not in the compacted area show a little Manganese deficiency.  Those bean roots are undoubtedly growing deeper in the soil profile. 

Would the pH of the subsoil be high, causing a deficiency?

Just wondering why the shorter beans in the tracks have a better color? 

Thanks in advance