Nyvall, Robert F <br/><br/>
Field crop disease handbook / 
Robert F. Nyval. 
 - 2nd ed. 
 - New York :  Van Nostrand Reinhold,  26 cm. 
 - xiii, 817 p. ;  26 cm. 
<br/><br/>"An AVI book. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0442267223 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Field crops Diseases and pests --Handbooks, mamnuals ,etc,<br/>Plant diseases--Handbooks manuals, etc.<br/>Phytopathogebic nicriorganisms--Handbooks, manuals, etc.--Control
<br/><br/><label>LC Class. No.: </label>SB731  / ,N98 1989