The slope in the field can make retrieval easier or harder. Downslope to field entrance is best. May be necessary to mow a path.
I would be reluctant to tow from nosewheel as there's a chance the firewall may get bent [more]
Next problem is getting the wings through the fence gap, usually easier with high wing.
Is the road back to the field wide enough to allow a taxi?
If not, pull up onto a flatbed and turn sideways.
HM Plod will want a say on road transport arrangements.
The insurance companies look after this all the time.
The farmer's insurance company will talk to the aircraft insurance company about crop damage.
Be extremely careful taking off from a field. Paying the farmer to mow a takeoff lane and take down a fence is far cheaper than unbending an airplane after hitting said fence as one Alberta pilot found out the hard way.