Can anyone identify this grass?

Can anyone identify this grass?

Observation - Can anyone identify this grass?. Description: Grass found on the edge of arable land on rich, peaty fenland soil. Inflorescence about 15cm long. I assume its a casual or from a previous bird cover mix.

Grass found on the edge of arable land on rich, peaty fenland soil. Inflorescence about 15cm long. I assume its a casual or from a previous bird cover mix.