000 00460 a2200181 4500
020 _a0471600849
082 _a632.5
_bASH
090 _c22195
_d34871
100 _aAshton, Floyd M.
245 _aWeed science
_bprinciples and practices
250 _a3rd ed.
260 _aNew York
_bJone Wiler & Sons
_c1991
_g1991
300 _avi,466p.
_c24cm
650 _aWeeds
650 _aPlant injuries, diseases, pests
700 _aMonaco, Thomas J.
942 _cL
999 _c49592
_d49592