Recognition and control of pests and diseases of farm crops.
Gram, Ernst.
Bovien, Prosper.
Stapel, C.
Hope, Frank.
Translation of: 'Sygdomme og skadedyr i landbrugsafgroder'. 2nd ed. extended. Copenhagen : Landbrugets Informationskontor, 1975. - Previous English ed. : i.e. 2nd ed. published as 'Recognition of diseases and pests of farm crops'. London : Blandford Press, 1969.
Includes index.
Plant diseases.
Agricultural pests.
Pest control.