MANUAL FOR TESTING AGRICULTURAL AND VEGETABLE SEEDS 

 - Washington :   [s.n.],  1952  
<br/><br/><label>Standard No.: </label>DVE-M5382 
<br/><br/><label>Subjects--Topical Terms: </label><br/>SEMILLAS<br/>AGRICULTURA<br/>HORTICULTURA
<br/><br/><label>Universal Decimal Class. No.: </label>631.53