Nyvall, Robert F. <br/><br/>
Field crop diseases handbook / 
Robert F. Nyvall 
 - Westport, Conn  Avi Pub. Co  1979 
 - xxxi, 436 p ill 27 cm 
 - AVI sourcebook and handbook series .
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0870553364 
<br/><br/><label>LCCN: </label>79-017944 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Field crops--Diseases and pests<br/>Plant diseases<br/>Phytopathogenic microorganisms--Control