Diseases of field crops.
Dickson, James Geere, 1891-
Diseases of field crops. James G. Dickson, Ph.D. - 2d ed. - New York, McGraw-Hill, 1956. - 517 p. illus. 24 cm. - McGraw-Hill publications in the agricultural sciences .
070168040
56008172
GB57-560
Field crops--Diseases
SB601 / .D48 1956
632.3 / D554
Diseases of field crops. James G. Dickson, Ph.D. - 2d ed. - New York, McGraw-Hill, 1956. - 517 p. illus. 24 cm. - McGraw-Hill publications in the agricultural sciences .
070168040
56008172
GB57-560
Field crops--Diseases
SB601 / .D48 1956
632.3 / D554