Walker, John Charles, 1893-
Diseases of vegetable crops / John Charles Walker. - 1st ed. - New York : McGraw-Hill, 1952. - ix, 529 p. : ill. ; 24 cm. - McGraw-Hill publications in the agricultural sciences .
Includes bibliographical references and index.
agr52000409
GB52-5658
Vegetables--Diseases and pests.
SB732 / .W3
632 / WAD
Diseases of vegetable crops / John Charles Walker. - 1st ed. - New York : McGraw-Hill, 1952. - ix, 529 p. : ill. ; 24 cm. - McGraw-Hill publications in the agricultural sciences .
Includes bibliographical references and index.
agr52000409
GB52-5658
Vegetables--Diseases and pests.
SB732 / .W3
632 / WAD