Daily Mail: To some people, they are a visual delight – splashes of gold that brighten the muted palate of greens and browns, adding a dash of almost tropical exuberance to Britain’s landscape. To others, however, they are a visual abomination, their vivid tones an ugly aberration amid our otherwise green and pleasant land. Love it or hate it, oilseed rape, whose flowers are now in full bloom and which has probably done more to change the appearance of our countryside in recent decades, …