TY  - BOOK
AU  - Nyvall,Robert F.
TI  - Field crop diseases handbook
SN  - 0870553364
PY  - 1979///
CY  - Westport
PB  - AVI Pub. Co
KW  - Field crops
KW  - Diseases and pests
KW  - Plant diseases
KW  - Micro-organizations, phytopathogenic
KW  - Control
N1  - Includes bibliographies and index; Closed
ER  -