By Gazthegrower
Cheshire,
United Kingdom 
ID PLEASE
4 Jun, 2015
Answers
I thought it was the jolly old oilseed rape, so thanks Moongrower. We get so used to oilseed rape escaping and growing everywhere that any brassica type plant that's yellow I assume is that!
4 Jun, 2015
Lookig at it again it 'could' be oilseed rape too!
4 Jun, 2015
Charlock, Sinapis arvensis, viewed as an annual weed usually.
4 Jun, 2015