630 UNZAB No.498 UNIVERSITY OF ILLINOIS AGRICULTURE LIBRARY cop.4 UNITED STATES DEPARTMENT OF AGRICULTURE BULLETIN No. ... ( a ) to improve the cereals of the Pacific coast region by introducing or producing better varieties than those ...
Author: David Edmund Stephens
Publisher:
ISBN: UIUC:30112019242277
Category: Agriculture
Page: 38
View: 289
Pp. 36.