Field crop diseases
Field crop diseases [electronic resource] / Robert F. Nyvall. - 3rd ed. - Ames : Iowa State University Press, 1999. - 1 online resource.
Rev. ed. of: Field crop diseases handbook. 2nd ed. c1989.
Includes bibliographical references and index.
9780813820798 9780585165349 (electronic bk.)
Field crops--Diseases and pests--Handbooks, manuals, etc.
Plant diseases--Handbooks, manuals, etc.
Phytopathogenic microorganisms--Control--Handbooks, manuals, etc.
SB731 / .N94 1999