Diseases of vegetable crops /
Walker, John Charls.
Diseases of vegetable crops / J C Walker. - New York; toronto: McGraw-Hill, 1952. - ix, 529 p.: illus. 24 cm. - McGraw-Hill publications in the agricultural sciences. .
Includes index.
Vegetables -- Diseases and pests.
Légumes -- Maladies et fléaux.
Hortalizas -- Enfermedades y plagas.
632.9 / WAD 1952
Diseases of vegetable crops / J C Walker. - New York; toronto: McGraw-Hill, 1952. - ix, 529 p.: illus. 24 cm. - McGraw-Hill publications in the agricultural sciences. .
Includes index.
Vegetables -- Diseases and pests.
Légumes -- Maladies et fléaux.
Hortalizas -- Enfermedades y plagas.
632.9 / WAD 1952