Nyvall, Robert F. <br/><br/>
Field crop diseases  [electronic resource] / 
Robert F. Nyvall. 
 - 3rd ed. 
 - Ames :  Iowa State University Press,  1999. 
 - 1 online resource. 
<br/><br/> Rev. ed. of: Field crop diseases handbook. 2nd ed. c1989. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>9780813820798 9780585165349 (electronic bk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Field crops--Diseases and pests--Handbooks, manuals, etc.<br/>Plant diseases--Handbooks, manuals, etc.<br/>Phytopathogenic microorganisms--Control--Handbooks, manuals, etc.
<br/><br/><label>LC Class. No.: </label>SB731  / .N94 1999