Slovenly cricket fielder, Henry, covered in some turf (8)
I believe the answer is:
slipshod
'slovenly' is the definition.
(I've seen this in another clue)
'cricket fielder henry covered in some turf' is the wordplay.
'cricket fielder' becomes 'slip' (cricket position).
'henry' becomes 'H' (symbol for the unit of electrical inductance).
'covered in' means one lot of letters goes inside another.
'some turf' becomes 'sod' (synonyms).
'h' put inside 'sod' is 'shod'.
'slip'+'shod'='SLIPSHOD'
(Other definitions for slipshod that I've seen before include "Carelessly done" , "Haphazard, slapdash" , "Careless and slapdash, bad work" , "Carelessly executed" , "Sloppy, careless" .)