Guidelines for the chemical control of plant diseases and nematodes. 

 - Washington :  USDA ,  1974 
 - Various Pagesp. :  ill. ;  24 cm. 
 - Agricultural handbook .
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant protection<br/>Pesticides
<br/><br/><label>Dewey Class. No.: </label>632.1  / US