United states department of agriculture. Plant diseases The year book of agriculture.  United states department of agriculture. Plant diseasesThe year book of agriculture. 

 - Washington  U.S.A. Govt. Printing Press  1953 
 - xviii, 937p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>United States Agricultural plants.
<br/><br/><label>Dewey Class. No.: </label>632.025  / U04P