Potato insects : their biology and biological and cultural control
SHANDS, W. A
Potato insects : their biology and biological and cultural control - Washington 1964 - 61p
POTATOES -- DISEASES AND PESTS
POTATOES -- DISEASES AND PESTS
633.491 S32P
Potato insects : their biology and biological and cultural control - Washington 1964 - 61p
POTATOES -- DISEASES AND PESTS
POTATOES -- DISEASES AND PESTS
633.491 S32P