It's a situation many of us have. Trying to find a field. At the end of the day farmers use fields to make money.
Of the 4 local farmers around me, 3 have given a flat no. The 4th is far more reasonable and suggested a small field I could use. Problem is it's right next to a paddock that has horses in it. I suggested that together we saw how the horses reacted to the motor and some kiting.
They were fine with the motor, the wing caused them to run around like headless chickens even when about 50m away. As a result it was a no go. A real shame.
I did use a friends field a couple of times, but it was small, with a bit of a slope and now has horses in it. OK for very particular wind directions. I ended up having to land in a next door field without permission once due to a wind direction change whilst in the air. Luckily no crops had germinated so no harm done.
I've also tried local airfields. One said "no 2 strokes" - I almost told him I had a four stroke just to see if it was an excuse. One said that he had had too many paramotors being idiots (low flying, pissing off neighbours etc) to risk it again. I managed to get to see him face to face and he was fine. Big issue was the runway was a narrow strip with a high hedge down one side and crops the other. Totally dependent on the wind being in the perfect direction for not just take-off but also landing.
I've got two more local options to explore, but it is hard.....
The USA lot have no idea how lucky they are - one with FAR103 and federal land, and also just having SOOOOO much space.