TY  - BOOK
AU  - Ullstrup,A.J.
TI  - Corn diseases in the United States and their control
T2  - United States. Dept. of Agriculture. Agriculture handbook
AV  - SB608.M2 U39 1966
PY  - 1966///]
CY  - Washington]
PB  - Agricultural Research Service, U.S. Dept. of Agriculture; [for sale by the Superintendent of Documents, U.S. Govt. Print. Off.
KW  - Corn
KW  - Diseases and pests
KW  - United States
ER  -