If you sprayed off the sward with glyphosate, direct drilled some sort of forage something or other in then sprayed off the stubble of that with glyphosate again you would be most of the way there.
Good timing in the rotation for the muck too.
Depends on how dry it is.
If it's dry it should be 25kg of urea.
Yes deeper placement or side banding would prevent the seed dying but that's not by any means a universal feature on British grain and fertiliser drills, more importantly the description in the original post doesn't suggest...
It's not quite the same thing but there was a bit of a scandal a few years back when English councils were found to have been giving rough sleepers or homeless people one way tickets out of town.
This scheme does feel a little similar in terms of abdication of responsibility.
As an interesting aside the legislation that made me a second class citizen in the UK was introduced at the tail end of the last Labour government.
But I must say that a homogeneous block of immigrants is something that only exists in the imagination of the daily mail.