Judging crop quality,
Dungan, George H. 1887-
Judging crop quality, by George H. Dungan and Oren E. Bolin. - [Danville, Ill., Interstate] c1950. - 288 p. illus., map. 22 cm.
agr50000063
Field crops--Judging.
SB186 / .D8
633
Judging crop quality, by George H. Dungan and Oren E. Bolin. - [Danville, Ill., Interstate] c1950. - 288 p. illus., map. 22 cm.
agr50000063
Field crops--Judging.
SB186 / .D8
633