I would leave the stalks - because they add some interesting tension and drama to the scene.
The photo doesn't 'pop'.
Do some global edits. Global = to the entire photo.
Adjust the mid-tone contrast and the vibrance, both 'presence' adjustments.
Experiment with some edge contrast adjustment too - using sharpening tools.
Do some local editing to the sky, the mountains in the background, and to the valley in the mid ground.
Give the clouds a stronger presence and make the rest of the sky more dense (darker).
Adjust the color temperature and tone of the background mountain and the valley to remove some of the blue.
Do some local editing to the shadow area of the foreground. I would probably dodge (lighten) the shadow area but burn (darken) the roadway.