Solutions

ACROSS
1 Somerset.
SOME+R+SET (are hom.)
5 Belt up.
(two meanings)
9 Parsnips.
PAR+SNIPS
10 Ickier.
(d)ICK+IE+R
12 Reach.
(b)REACH
13 Estranged.
E+STRANGE+D
14 Discus.
DISC+US
16 Pigeons.
PI(GEO)NS
19 Sternum.
(anag.)
21 Badger.
BAD+G+ER
23 Remaining.
REMAIN+IN+G
25 Crate.
C+RA+TE
26 Normal.
NORMA+L
27 Pinpoint.
PIN+POINT (nip rev.)
28 Echoed.
E(a)CH+OED
29 Needless.
NEEDLE+S+S


DOWN
1 Superb.
S+UPER+B (Peru anag.)
2 Margarine.
MAR+GARIN+E (grain anag.)
3 Ranch.
R+ANC+H (can anag.)
4 Express.
(two meanings)
6 Exchanged.
EX+CHANGE+D
7 Thing.
(anag.)
8 Paradise.
PARAD(I+S)E
11 Stop.
ST+OP
15 Candidate.
CANDID+A+TE
17 Operative.
OPERAT(IV)E
18 Estrange.
(8 of the 9 letters in 13a)
20 Main.
(two meanings)
21 Bagpipe.
B+AG+PIPE
22 Set-tos.
S(ET+T)OS
24 March.
MA+R+CH
25 Coped.
C+OPED (dope anag.)