TY  - BOOK
AU  - Nyvall, Robert F.
TI  - Field crop diseases handbook
SN  - 0870553364
AV  - SB731 .N94
U1  - 633.02 
PY  - 1979///
CY  - Westport, Conn.
PB  - AVI Pub. Co.
KW  - Field crops
KW  - Diseases and pests
KW  - Handbooks, manuals, etc
KW  - Plant diseases
KW  - Phytopathogenic microorganisms
KW  - Control
N1  - Includes bibliographies and index
ER  -