TY  - BOOK
AU  - Nyvall,Robert F.
TI  - Field crop diseases handbook
SN  - 0442267223
AV  - SB731 .N94 1989
U1  - 633/.0893 
PY  - 1989///
CY  - New York
PB  - Van Nostrand Reinhold
KW  - Field crops
KW  - Diseases and pests
KW  - Handbooks, manuals, etc
KW  - Plant diseases
KW  - Phytopathogenic microorganisms
KW  - Control
N1  - "An AVI book."; Includes index
ER  -