Nicely done! You have captured the essence of the never ending field. I appreciate the fact that you took this on the vertical with the rows...it leads the viewer into the vastness of the horizon.
Usually it takes more than all of this green to make me interested enough to give a 7. But, this one really works! Perfect DOF. If the sky were a bit more interesting/bluer, it might be an 8. Talk to God. *grin*