Field crop diseases handbook
NYVALL, Robert F
Field crop diseases handbook - Westport 1979 - 436p
FIELD CROPS -- DISEASES AND PESTS
FIELD CROPS -- DISEASES AND PESTS MICRO -- ORGANISMS, PHYTOPATHOGENIC -- CONTR PLANT DISEASES
633.089 N99F
Field crop diseases handbook - Westport 1979 - 436p
FIELD CROPS -- DISEASES AND PESTS
FIELD CROPS -- DISEASES AND PESTS MICRO -- ORGANISMS, PHYTOPATHOGENIC -- CONTR PLANT DISEASES
633.089 N99F