Diseases of field crops /
Dickson, James Geere, 1891-
Diseases of field crops / James G. Dickson. - 2d ed. - New York : McGraw-Hill, 1956. - 517 p. : illus. ; 24 cm. - McGraw-Hill publications in the agricultural sciences .
56008172
Field crops--Diseases and pests.
SB601 / .D48 1956
633 / DIC 1956
Diseases of field crops / James G. Dickson. - 2d ed. - New York : McGraw-Hill, 1956. - 517 p. : illus. ; 24 cm. - McGraw-Hill publications in the agricultural sciences .
56008172
Field crops--Diseases and pests.
SB601 / .D48 1956
633 / DIC 1956