Ah, finally found Joseph and his family on the 1901 census.
Can you access censuses. ?
Registration District: Shardlow
Civil Parish: Stapleford (Nottingham)
Address: Nottingham Road, Stapleford (Nottingham), Village
Father William 55 born Chilwell unable to work.
Mother Emma aged 51 born Chilwell.
Ellen Bostock mother widow aged 76 born Foston Lincolnshire.
Daughter Florence 14 lace mender born Chilwell.
Son Edward 16 coal miner born Chilwell.
By the 1911 census Edward is a married farm labourer at
2 East St Stapleford Nottinghamshire
So perhaps that is how the farming reference came about. ?