Being a football (yes football, that's the correct name over here where it was invented!!) fan, I can say that the tones of the grass is caused by the way the grass is rolled after being cut. You can have the same effect on a normal garden lawn too.
Some clubs make more intricate designs...
I am a total newbie to both this forum and 'proper' photography, but have been interested in it for about 20 years. I always had a camera of some sort and once managed to take a picture of a lightning bolt using an old old old film camera when I was about 14.
I just bought an EOS400D and was...