TY  - BOOK
AU  - Nyvall,Robert F.
TI  - Field crop diseases handbook
SN  - 0870553364
PY  - 1979///
CY  - Westport, Conn
PB  - Avi Pub. Co
KW  - Field crops
KW  - Diseases and pests
KW  - Plant diseases
KW  - Phytopathogenic microorganisms
KW  - Control
N1  - Includes bibliographical references and index
ER  -